Calendar tools / 01
Every date has
another story.
Convert in either direction, including explicitly marked leap months.
01 / Date converter
One date. Two calendars.
No account. No saved birthdays. Calculated in your browser.
Read the calculation rules & limitationsYour result
A different way to read the date.
Choose a date, then use the button to see its lunar counterpart.
Gregorian
Lunar year
Zodiac
Solar term
A date, not an instant.
A birthday is treated as the calendar date you enter. Your device’s time zone does not move it to the previous or following day. The single-event download uses an all-day date and does not repeat every Gregorian year.
How lunar birthdays work →