Moon Phase Lookup

Choose this endpoint when you need a precise, programmatic lookup of the moon phase for any historical or future date, especially when you need a specific UTC time component alongside the date. Prefer this over general almanac queries when integrating lunar phase data into an automated workflow, event planner, or astrology application.

• Missing required fields (year, month, day) returns a validation error
• Day value out of range for the given month may return an error or unexpected result
• Year outside 1–9999 range returns a validation error
• Invalid month value (outside 1–12) returns a validation error
• Network timeout or service unavailability returns a 5xx error
• Hour or minute out of valid range returns a validation error