Question 1

How is moon phase calculated?

Accepted Answer

Based on lunar cycle of 29.53 days. New moon → waxing → full → waning → new. Algorithm uses date math.

Question 2

What are the 8 moon phases?

Accepted Answer

New, waxing crescent, first quarter, waxing gibbous, full, waning gibbous, last quarter, waning crescent.

Question 3

How precise are these time calculations?

Accepted Answer

Our calculator handles time to millisecond precision. For most practical purposes, we use standard definitions (1 year = 365.25 days average).

Question 4

Do time zones affect these conversions?

Accepted Answer

Unit conversions (hours to minutes) are unaffected by time zones. For time zone conversions, use our dedicated time zone calculator.

Moon Phase Calculator - Free Online Tool

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