Astr converter

UTC to MJD (Modified Julian Day) - MJD to UTC Converter

Precise conversion between UTC and Julian Day.


Note: UTC date (dd/mm/ or mm/dd) and time (12h or 24h) formats are based on the format in your OS.


Precise conversion between Julian day and UTC.

UTC can be converted with milliseconds precision.

Julian day can be converted with picoseconds precision.

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