View moon phases, full moon dates, new moon dates, and lunar cycles for any month.
Moon Phase Calendar places a selected month inside the repeating lunar cycle, showing the progression of phases and identifying its full moon and new moon dates. It helps determine whether an observation, event, or recurring plan falls near a brighter or darker part of the cycle. The important detail is that each named phase occurs at a particular instant. A day labeled Full Moon contains that instant under the calendar's time convention; the Moon does not remain precisely full throughout that entire day.
Choose the month and year you want to examine. The calendar arranges that month's dates in order and associates them with their positions in the lunar cycle. New moon and full moon markers make the principal dates easy to locate, while the surrounding phases show whether the visible illuminated portion is generally waxing or waning.
The displayed sequence progresses from new moon through waxing phases to full moon, then through waning phases to the next new moon. Because a lunar cycle does not align with calendar-month boundaries, the cycle shown for a month may have started during the previous month or continue into the following one.
No. Full moon is an exact astronomical phase occurring at one instant. The Moon can look nearly round for nights on either side, but only the listed instant is geometrically full. Whether that instant falls during local daytime or nighttime depends on the date, time, and time zone used for the calendar.
No. Lunar phase helps identify the broad timing of spring tides, which occur around new and full moons, but it does not supply local tide times or heights. Those predictions also require the location and local coastal behavior. Use an official, location-specific tide table for navigation or safety decisions.
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