The calendar below shows the phase of the moon for each day of the selected month. You can change the month and year to whatever you like between January 3999 BC and December 3999 AD.

This version of the Moon Calendar uses HTML 5, Javascript, and SVG. It replaces the Java-based version of the calendar, which is still available here.

Hovering your mouse over any day in the calendar will display a popup showing the moon's distance, phase and other information.

Instructions on what the various controls do is found below. There is also a reference section for those interested in the algorithms used.

Feel free to with your thoughts on the program.

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The original Java-based version of the Moon Calendar remains available here.

Jonas Schmedtmann Link

His courses are (60+ hours for the JS course). If you want only quick syntax reference, he’s not for you. But for depth and real skill-building, he’s one of the best.

As a top-rated instructor on platforms like Udemy, he has taught hundreds of thousands of students worldwide. He is particularly renowned for his in-depth courses on , including "The Complete JavaScript Course" and tutorials on advanced technologies like Node.js, React, and CSS/SASS.

paulcarlisle.net

Tooltips Legend Position Angle

First Day of Week

Language

Scaling

Phase Times

First Date in Gregorian Calendar

His courses are (60+ hours for the JS course). If you want only quick syntax reference, he’s not for you. But for depth and real skill-building, he’s one of the best.

Credits

Moon Calendar SVG makes use of JQuery Calendars, by Keith Woods.

References and Aids

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