solar eclipse: occur at full moon

from Quasimodo
0.2 0.4 0.6 0.8 Plausible Typical Remarkable Salient

Related concepts

Parents thing
Weight: 0.59
, event
Weight: 0.59
, eclipse
Weight: 0.55
, moon
Weight: 0.52
Siblings new moon
Weight: 0.57
, solar wind
Weight: 0.35
, aurora
Weight: 0.32
, sun
Weight: 0.32
, windmill
Weight: 0.32

Related properties

Property Similarity
occur at full moon 1.00
occur at moon 0.96
occur at new moon 0.95
occur on moon day 0.94
occur on new moon day 0.93
occur on moon days 0.92
happen at moon 0.92
occur on new moon days 0.92
happen at new moon 0.91
happen on moon 0.90

Priors about this statement

Cues

0.2 0.4 0.6 0.8 Joint Necessity Sufficiency Implication Entailment Contradiction Entropy

Evidence

0.2 0.4 0.6 0.8 Plausible Typical Remarkable Salient

Clauses

Plausibility inference from child typicality

0.57
Rule weight: 0.66
Evidence weight: 0.92
Similarity weight: 0.93
Evidence: 0.81
Plausible(eclipse, occur on new moon day)
Evidence: 0.41
¬ Typical(solar eclipse, occur at full moon)
0.56
Rule weight: 0.66
Evidence weight: 0.84
Similarity weight: 1.00
Evidence: 0.62
Plausible(eclipse, occur at full moon)
Evidence: 0.41
¬ Typical(solar eclipse, occur at full moon)
0.52
Rule weight: 0.66
Evidence weight: 0.83
Similarity weight: 0.94
Evidence: 0.58
Plausible(eclipse, occur on moon day)
Evidence: 0.41
¬ Typical(solar eclipse, occur at full moon)
0.51
Rule weight: 0.66
Evidence weight: 0.80
Similarity weight: 0.95
Evidence: 0.52
Plausible(eclipse, occur at new moon)
Evidence: 0.41
¬ Typical(solar eclipse, occur at full moon)
0.47
Rule weight: 0.66
Evidence weight: 0.77
Similarity weight: 0.92
Evidence: 0.45
Plausible(eclipse, occur on new moon days)
Evidence: 0.41
¬ Typical(solar eclipse, occur at full moon)
0.47
Rule weight: 0.66
Evidence weight: 0.74
Similarity weight: 0.96
Evidence: 0.37
Plausible(eclipse, occur at moon)
Evidence: 0.41
¬ Typical(solar eclipse, occur at full moon)
0.44
Rule weight: 0.66
Evidence weight: 0.74
Similarity weight: 0.91
Evidence: 0.36
Plausible(eclipse, happen at new moon)
Evidence: 0.41
¬ Typical(solar eclipse, occur at full moon)
0.44
Rule weight: 0.66
Evidence weight: 0.74
Similarity weight: 0.90
Evidence: 0.36
Plausible(eclipse, happen on moon)
Evidence: 0.41
¬ Typical(solar eclipse, occur at full moon)
0.39
Rule weight: 0.66
Evidence weight: 0.65
Similarity weight: 0.92
Evidence: 0.14
Plausible(eclipse, happen at moon)
Evidence: 0.41
¬ Typical(solar eclipse, occur at full moon)

Plausibility inheritance from parent to child

0.08
Rule weight: 0.09
Evidence weight: 0.90
Similarity weight: 0.92
Evidence: 0.24
Plausible(solar eclipse, occur at full moon)
Evidence: 0.14
¬ Plausible(eclipse, happen at moon)
0.06
Rule weight: 0.09
Evidence weight: 0.72
Similarity weight: 0.96
Evidence: 0.24
Plausible(solar eclipse, occur at full moon)
Evidence: 0.37
¬ Plausible(eclipse, occur at moon)
0.06
Rule weight: 0.09
Evidence weight: 0.73
Similarity weight: 0.91
Evidence: 0.24
Plausible(solar eclipse, occur at full moon)
Evidence: 0.36
¬ Plausible(eclipse, happen at new moon)
0.06
Rule weight: 0.09
Evidence weight: 0.73
Similarity weight: 0.90
Evidence: 0.24
Plausible(solar eclipse, occur at full moon)
Evidence: 0.36
¬ Plausible(eclipse, happen on moon)
0.06
Rule weight: 0.09
Evidence weight: 0.66
Similarity weight: 0.92
Evidence: 0.24
Plausible(solar eclipse, occur at full moon)
Evidence: 0.45
¬ Plausible(eclipse, occur on new moon days)
0.05
Rule weight: 0.09
Evidence weight: 0.61
Similarity weight: 0.95
Evidence: 0.24
Plausible(solar eclipse, occur at full moon)
Evidence: 0.52
¬ Plausible(eclipse, occur at new moon)
0.05
Rule weight: 0.09
Evidence weight: 0.53
Similarity weight: 1.00
Evidence: 0.24
Plausible(solar eclipse, occur at full moon)
Evidence: 0.62
¬ Plausible(eclipse, occur at full moon)
0.05
Rule weight: 0.09
Evidence weight: 0.56
Similarity weight: 0.94
Evidence: 0.24
Plausible(solar eclipse, occur at full moon)
Evidence: 0.58
¬ Plausible(eclipse, occur on moon day)
0.03
Rule weight: 0.09
Evidence weight: 0.39
Similarity weight: 0.93
Evidence: 0.24
Plausible(solar eclipse, occur at full moon)
Evidence: 0.81
¬ Plausible(eclipse, occur on new moon day)

Remarkability exclusitivity betweem a parent and a child

0.51
Rule weight: 0.58
Evidence weight: 0.96
Similarity weight: 0.92
Evidence: 0.26
¬ Remarkable(solar eclipse, occur at full moon)
Evidence: 0.14
¬ Remarkable(eclipse, happen at moon)
0.51
Rule weight: 0.58
Evidence weight: 0.92
Similarity weight: 0.95
Evidence: 0.26
¬ Remarkable(solar eclipse, occur at full moon)
Evidence: 0.30
¬ Remarkable(eclipse, occur at new moon)
0.50
Rule weight: 0.58
Evidence weight: 0.91
Similarity weight: 0.96
Evidence: 0.26
¬ Remarkable(solar eclipse, occur at full moon)
Evidence: 0.35
¬ Remarkable(eclipse, occur at moon)
0.50
Rule weight: 0.58
Evidence weight: 0.94
Similarity weight: 0.92
Evidence: 0.26
¬ Remarkable(solar eclipse, occur at full moon)
Evidence: 0.22
¬ Remarkable(eclipse, occur on new moon days)
0.50
Rule weight: 0.58
Evidence weight: 0.95
Similarity weight: 0.91
Evidence: 0.26
¬ Remarkable(solar eclipse, occur at full moon)
Evidence: 0.19
¬ Remarkable(eclipse, happen at new moon)
0.49
Rule weight: 0.58
Evidence weight: 0.94
Similarity weight: 0.90
Evidence: 0.26
¬ Remarkable(solar eclipse, occur at full moon)
Evidence: 0.25
¬ Remarkable(eclipse, happen on moon)
0.47
Rule weight: 0.58
Evidence weight: 0.82
Similarity weight: 1.00
Evidence: 0.26
¬ Remarkable(solar eclipse, occur at full moon)
Evidence: 0.69
¬ Remarkable(eclipse, occur at full moon)
0.47
Rule weight: 0.58
Evidence weight: 0.88
Similarity weight: 0.93
Evidence: 0.26
¬ Remarkable(solar eclipse, occur at full moon)
Evidence: 0.46
¬ Remarkable(eclipse, occur on new moon day)
0.47
Rule weight: 0.58
Evidence weight: 0.87
Similarity weight: 0.94
Evidence: 0.26
¬ Remarkable(solar eclipse, occur at full moon)
Evidence: 0.50
¬ Remarkable(eclipse, occur on moon day)

Remarkability from parent implausibility

0.39
Rule weight: 0.42
Evidence weight: 0.93
Similarity weight: 1.00
Evidence: 0.62
Plausible(eclipse, occur at full moon)
Evidence: 0.26
Remarkable(solar eclipse, occur at full moon)
Evidence: 0.24
¬ Plausible(solar eclipse, occur at full moon)
0.38
Rule weight: 0.42
Evidence weight: 0.96
Similarity weight: 0.93
Evidence: 0.81
Plausible(eclipse, occur on new moon day)
Evidence: 0.26
Remarkable(solar eclipse, occur at full moon)
Evidence: 0.24
¬ Plausible(solar eclipse, occur at full moon)
0.36
Rule weight: 0.42
Evidence weight: 0.91
Similarity weight: 0.95
Evidence: 0.52
Plausible(eclipse, occur at new moon)
Evidence: 0.26
Remarkable(solar eclipse, occur at full moon)
Evidence: 0.24
¬ Plausible(solar eclipse, occur at full moon)
0.36
Rule weight: 0.42
Evidence weight: 0.92
Similarity weight: 0.94
Evidence: 0.58
Plausible(eclipse, occur on moon day)
Evidence: 0.26
Remarkable(solar eclipse, occur at full moon)
Evidence: 0.24
¬ Plausible(solar eclipse, occur at full moon)
0.36
Rule weight: 0.42
Evidence weight: 0.89
Similarity weight: 0.96
Evidence: 0.37
Plausible(eclipse, occur at moon)
Evidence: 0.26
Remarkable(solar eclipse, occur at full moon)
Evidence: 0.24
¬ Plausible(solar eclipse, occur at full moon)
0.35
Rule weight: 0.42
Evidence weight: 0.90
Similarity weight: 0.92
Evidence: 0.45
Plausible(eclipse, occur on new moon days)
Evidence: 0.26
Remarkable(solar eclipse, occur at full moon)
Evidence: 0.24
¬ Plausible(solar eclipse, occur at full moon)
0.34
Rule weight: 0.42
Evidence weight: 0.88
Similarity weight: 0.91
Evidence: 0.36
Plausible(eclipse, happen at new moon)
Evidence: 0.26
Remarkable(solar eclipse, occur at full moon)
Evidence: 0.24
¬ Plausible(solar eclipse, occur at full moon)
0.33
Rule weight: 0.42
Evidence weight: 0.88
Similarity weight: 0.90
Evidence: 0.36
Plausible(eclipse, happen on moon)
Evidence: 0.26
Remarkable(solar eclipse, occur at full moon)
Evidence: 0.24
¬ Plausible(solar eclipse, occur at full moon)
0.32
Rule weight: 0.42
Evidence weight: 0.84
Similarity weight: 0.92
Evidence: 0.14
Plausible(eclipse, happen at moon)
Evidence: 0.26
Remarkable(solar eclipse, occur at full moon)
Evidence: 0.24
¬ Plausible(solar eclipse, occur at full moon)

Salient implies Plausible

0.23
Rule weight: 0.28
Evidence weight: 0.83
Similarity weight: 1.00
Evidence: 0.24
Plausible(solar eclipse, occur at full moon)
Evidence: 0.22
¬ Salient(solar eclipse, occur at full moon)

Similarity expansion

0.77
Rule weight: 0.85
Evidence weight: 0.94
Similarity weight: 0.96
Evidence: 0.24
Plausible(solar eclipse, occur at full moon)
Evidence: 0.08
¬ Plausible(solar eclipse, occur at moon)
0.75
Rule weight: 0.85
Evidence weight: 0.96
Similarity weight: 0.92
Evidence: 0.24
Plausible(solar eclipse, occur at full moon)
Evidence: 0.05
¬ Plausible(solar eclipse, happen at moon)
0.75
Rule weight: 0.85
Evidence weight: 0.96
Similarity weight: 0.92
Evidence: 0.22
Salient(solar eclipse, occur at full moon)
Evidence: 0.05
¬ Salient(solar eclipse, happen at moon)
0.75
Rule weight: 0.85
Evidence weight: 0.92
Similarity weight: 0.96
Evidence: 0.22
Salient(solar eclipse, occur at full moon)
Evidence: 0.11
¬ Salient(solar eclipse, occur at moon)
0.75
Rule weight: 0.85
Evidence weight: 0.96
Similarity weight: 0.92
Evidence: 0.26
Remarkable(solar eclipse, occur at full moon)
Evidence: 0.06
¬ Remarkable(solar eclipse, happen at moon)
0.75
Rule weight: 0.85
Evidence weight: 0.95
Similarity weight: 0.92
Evidence: 0.24
Plausible(solar eclipse, occur at full moon)
Evidence: 0.07
¬ Plausible(solar eclipse, occur on moon days)
0.74
Rule weight: 0.85
Evidence weight: 0.94
Similarity weight: 0.92
Evidence: 0.22
Salient(solar eclipse, occur at full moon)
Evidence: 0.07
¬ Salient(solar eclipse, occur on moon days)
0.74
Rule weight: 0.85
Evidence weight: 0.94
Similarity weight: 0.92
Evidence: 0.26
Remarkable(solar eclipse, occur at full moon)
Evidence: 0.07
¬ Remarkable(solar eclipse, occur on moon days)
0.74
Rule weight: 0.85
Evidence weight: 0.96
Similarity weight: 0.90
Evidence: 0.24
Plausible(solar eclipse, occur at full moon)
Evidence: 0.05
¬ Plausible(solar eclipse, happen on moon)
0.74
Rule weight: 0.85
Evidence weight: 0.96
Similarity weight: 0.90
Evidence: 0.22
Salient(solar eclipse, occur at full moon)
Evidence: 0.05
¬ Salient(solar eclipse, happen on moon)
0.74
Rule weight: 0.85
Evidence weight: 0.96
Similarity weight: 0.90
Evidence: 0.26
Remarkable(solar eclipse, occur at full moon)
Evidence: 0.06
¬ Remarkable(solar eclipse, happen on moon)
0.73
Rule weight: 0.85
Evidence weight: 0.89
Similarity weight: 0.96
Evidence: 0.26
Remarkable(solar eclipse, occur at full moon)
Evidence: 0.14
¬ Remarkable(solar eclipse, occur at moon)
0.70
Rule weight: 0.85
Evidence weight: 0.88
Similarity weight: 0.94
Evidence: 0.26
Remarkable(solar eclipse, occur at full moon)
Evidence: 0.16
¬ Remarkable(solar eclipse, occur on moon day)
0.70
Rule weight: 0.85
Evidence weight: 0.91
Similarity weight: 0.91
Evidence: 0.26
Remarkable(solar eclipse, occur at full moon)
Evidence: 0.13
¬ Remarkable(solar eclipse, happen at new moon)
0.70
Rule weight: 0.85
Evidence weight: 0.86
Similarity weight: 0.96
Evidence: 0.41
Typical(solar eclipse, occur at full moon)
Evidence: 0.24
¬ Typical(solar eclipse, occur at moon)
0.69
Rule weight: 0.85
Evidence weight: 0.85
Similarity weight: 0.95
Evidence: 0.26
Remarkable(solar eclipse, occur at full moon)
Evidence: 0.21
¬ Remarkable(solar eclipse, occur at new moon)
0.69
Rule weight: 0.85
Evidence weight: 0.89
Similarity weight: 0.91
Evidence: 0.22
Salient(solar eclipse, occur at full moon)
Evidence: 0.15
¬ Salient(solar eclipse, happen at new moon)
0.68
Rule weight: 0.85
Evidence weight: 0.87
Similarity weight: 0.92
Evidence: 0.26
Remarkable(solar eclipse, occur at full moon)
Evidence: 0.17
¬ Remarkable(solar eclipse, occur on new moon days)
0.68
Rule weight: 0.85
Evidence weight: 0.85
Similarity weight: 0.94
Evidence: 0.22
Salient(solar eclipse, occur at full moon)
Evidence: 0.19
¬ Salient(solar eclipse, occur on moon day)
0.68
Rule weight: 0.85
Evidence weight: 0.87
Similarity weight: 0.91
Evidence: 0.24
Plausible(solar eclipse, occur at full moon)
Evidence: 0.17
¬ Plausible(solar eclipse, happen at new moon)
0.68
Rule weight: 0.85
Evidence weight: 0.87
Similarity weight: 0.92
Evidence: 0.41
Typical(solar eclipse, occur at full moon)
Evidence: 0.23
¬ Typical(solar eclipse, happen at moon)
0.67
Rule weight: 0.85
Evidence weight: 0.82
Similarity weight: 0.95
Evidence: 0.22
Salient(solar eclipse, occur at full moon)
Evidence: 0.23
¬ Salient(solar eclipse, occur at new moon)
0.67
Rule weight: 0.85
Evidence weight: 0.86
Similarity weight: 0.90
Evidence: 0.41
Typical(solar eclipse, occur at full moon)
Evidence: 0.23
¬ Typical(solar eclipse, happen on moon)
0.66
Rule weight: 0.85
Evidence weight: 0.84
Similarity weight: 0.92
Evidence: 0.41
Typical(solar eclipse, occur at full moon)
Evidence: 0.28
¬ Typical(solar eclipse, occur on moon days)
0.65
Rule weight: 0.85
Evidence weight: 0.82
Similarity weight: 0.94
Evidence: 0.24
Plausible(solar eclipse, occur at full moon)
Evidence: 0.24
¬ Plausible(solar eclipse, occur on moon day)
0.65
Rule weight: 0.85
Evidence weight: 0.83
Similarity weight: 0.92
Evidence: 0.22
Salient(solar eclipse, occur at full moon)
Evidence: 0.22
¬ Salient(solar eclipse, occur on new moon days)
0.62
Rule weight: 0.85
Evidence weight: 0.76
Similarity weight: 0.95
Evidence: 0.24
Plausible(solar eclipse, occur at full moon)
Evidence: 0.32
¬ Plausible(solar eclipse, occur at new moon)
0.59
Rule weight: 0.85
Evidence weight: 0.75
Similarity weight: 0.92
Evidence: 0.24
Plausible(solar eclipse, occur at full moon)
Evidence: 0.33
¬ Plausible(solar eclipse, occur on new moon days)
0.57
Rule weight: 0.85
Evidence weight: 0.74
Similarity weight: 0.91
Evidence: 0.41
Typical(solar eclipse, occur at full moon)
Evidence: 0.44
¬ Typical(solar eclipse, happen at new moon)
0.57
Rule weight: 0.85
Evidence weight: 0.72
Similarity weight: 0.93
Evidence: 0.26
Remarkable(solar eclipse, occur at full moon)
Evidence: 0.38
¬ Remarkable(solar eclipse, occur on new moon day)
0.56
Rule weight: 0.85
Evidence weight: 0.70
Similarity weight: 0.94
Evidence: 0.41
Typical(solar eclipse, occur at full moon)
Evidence: 0.50
¬ Typical(solar eclipse, occur on moon day)
0.55
Rule weight: 0.85
Evidence weight: 0.68
Similarity weight: 0.95
Evidence: 0.41
Typical(solar eclipse, occur at full moon)
Evidence: 0.54
¬ Typical(solar eclipse, occur at new moon)
0.51
Rule weight: 0.85
Evidence weight: 0.65
Similarity weight: 0.92
Evidence: 0.41
Typical(solar eclipse, occur at full moon)
Evidence: 0.59
¬ Typical(solar eclipse, occur on new moon days)
0.36
Rule weight: 0.85
Evidence weight: 0.45
Similarity weight: 0.93
Evidence: 0.41
Typical(solar eclipse, occur at full moon)
Evidence: 0.93
¬ Typical(solar eclipse, occur on new moon day)
0.31
Rule weight: 0.85
Evidence weight: 0.39
Similarity weight: 0.93
Evidence: 0.22
Salient(solar eclipse, occur at full moon)
Evidence: 0.78
¬ Salient(solar eclipse, occur on new moon day)
0.31
Rule weight: 0.85
Evidence weight: 0.39
Similarity weight: 0.93
Evidence: 0.24
Plausible(solar eclipse, occur at full moon)
Evidence: 0.81
¬ Plausible(solar eclipse, occur on new moon day)

Typical and Remarkable implies Salient

0.13
Rule weight: 0.14
Evidence weight: 0.92
Similarity weight: 1.00
Evidence: 0.22
Salient(solar eclipse, occur at full moon)
Evidence: 0.41
¬ Typical(solar eclipse, occur at full moon)
Evidence: 0.26
¬ Remarkable(solar eclipse, occur at full moon)

Typical implies Plausible

0.33
Rule weight: 0.48
Evidence weight: 0.69
Similarity weight: 1.00
Evidence: 0.24
Plausible(solar eclipse, occur at full moon)
Evidence: 0.41
¬ Typical(solar eclipse, occur at full moon)

Typicality and Rermarkability incompatibility between a parent and a child

0.43
Rule weight: 0.51
Evidence weight: 0.84
Similarity weight: 1.00
Evidence: 0.26
¬ Remarkable(solar eclipse, occur at full moon)
Evidence: 0.63
¬ Typical(eclipse, occur at full moon)
0.43
Rule weight: 0.51
Evidence weight: 0.87
Similarity weight: 0.96
Evidence: 0.26
¬ Remarkable(solar eclipse, occur at full moon)
Evidence: 0.49
¬ Typical(eclipse, occur at moon)
0.42
Rule weight: 0.51
Evidence weight: 0.90
Similarity weight: 0.92
Evidence: 0.26
¬ Remarkable(solar eclipse, occur at full moon)
Evidence: 0.41
¬ Typical(eclipse, happen at moon)
0.40
Rule weight: 0.51
Evidence weight: 0.82
Similarity weight: 0.95
Evidence: 0.26
¬ Remarkable(solar eclipse, occur at full moon)
Evidence: 0.71
¬ Typical(eclipse, occur at new moon)
0.40
Rule weight: 0.51
Evidence weight: 0.83
Similarity weight: 0.94
Evidence: 0.26
¬ Remarkable(solar eclipse, occur at full moon)
Evidence: 0.67
¬ Typical(eclipse, occur on moon day)
0.39
Rule weight: 0.51
Evidence weight: 0.85
Similarity weight: 0.90
Evidence: 0.26
¬ Remarkable(solar eclipse, occur at full moon)
Evidence: 0.57
¬ Typical(eclipse, happen on moon)
0.39
Rule weight: 0.51
Evidence weight: 0.84
Similarity weight: 0.91
Evidence: 0.26
¬ Remarkable(solar eclipse, occur at full moon)
Evidence: 0.62
¬ Typical(eclipse, happen at new moon)
0.38
Rule weight: 0.51
Evidence weight: 0.82
Similarity weight: 0.92
Evidence: 0.26
¬ Remarkable(solar eclipse, occur at full moon)
Evidence: 0.70
¬ Typical(eclipse, occur on new moon days)
0.37
Rule weight: 0.51
Evidence weight: 0.77
Similarity weight: 0.93
Evidence: 0.26
¬ Remarkable(solar eclipse, occur at full moon)
Evidence: 0.90
¬ Typical(eclipse, occur on new moon day)

Typicality inheritance from parent to child

0.34
Rule weight: 0.48
Evidence weight: 0.76
Similarity weight: 0.92
Evidence: 0.41
Typical(solar eclipse, occur at full moon)
Evidence: 0.41
¬ Typical(eclipse, happen at moon)
0.33
Rule weight: 0.48
Evidence weight: 0.71
Similarity weight: 0.96
Evidence: 0.41
Typical(solar eclipse, occur at full moon)
Evidence: 0.49
¬ Typical(eclipse, occur at moon)
0.30
Rule weight: 0.48
Evidence weight: 0.63
Similarity weight: 1.00
Evidence: 0.41
Typical(solar eclipse, occur at full moon)
Evidence: 0.63
¬ Typical(eclipse, occur at full moon)
0.29
Rule weight: 0.48
Evidence weight: 0.66
Similarity weight: 0.90
Evidence: 0.41
Typical(solar eclipse, occur at full moon)
Evidence: 0.57
¬ Typical(eclipse, happen on moon)
0.28
Rule weight: 0.48
Evidence weight: 0.64
Similarity weight: 0.91
Evidence: 0.41
Typical(solar eclipse, occur at full moon)
Evidence: 0.62
¬ Typical(eclipse, happen at new moon)
0.28
Rule weight: 0.48
Evidence weight: 0.61
Similarity weight: 0.94
Evidence: 0.41
Typical(solar eclipse, occur at full moon)
Evidence: 0.67
¬ Typical(eclipse, occur on moon day)
0.27
Rule weight: 0.48
Evidence weight: 0.58
Similarity weight: 0.95
Evidence: 0.41
Typical(solar eclipse, occur at full moon)
Evidence: 0.71
¬ Typical(eclipse, occur at new moon)
0.26
Rule weight: 0.48
Evidence weight: 0.59
Similarity weight: 0.92
Evidence: 0.41
Typical(solar eclipse, occur at full moon)
Evidence: 0.70
¬ Typical(eclipse, occur on new moon days)
0.21
Rule weight: 0.48
Evidence weight: 0.47
Similarity weight: 0.93
Evidence: 0.41
Typical(solar eclipse, occur at full moon)
Evidence: 0.90
¬ Typical(eclipse, occur on new moon day)