Manseryeok · free calendar

A different way to look at your days.

Browse daily pillars, lunar dates and seasonal changes. Select a day to explore its details or begin a reading.

Ink painting of an open almanac with a brush resting on it and a plum blossom branch
Days change. Make a little space to notice.

Gregorian date labels, calculated at noon. Solar terms use the preserved engine’s day-level boundaries. This is not a minute-accurate astronomical ephemeris.

Convert a lunar birth record

For a Korean/Chinese lunisolar record, including leap months. The result is a Gregorian date; your birth time and birthplace still matter.