Modified Julian Day to Unix Timestamp

Convert mjd (MJD) to unix (Unix) with formulas, examples, and conversion tables.

MJD
Unix
1 MJD = -3506630400 Unix
Full precision:-3506630400 Unix
Step-by-Step Solution

To convert 1 mjd to unix, we multiply by 1 because one modified julian day equals exactly 1 unix.

1 modified julian day = 1 unix

Since each modified julian day contains 1 unix, we multiply our value by this factor:

1 × 1 = -3506630400 unix

So 1 mjd = -3506630400 unix.

✓Quick check: -3506630400 ÷ 1 = 1 mjd
↔ Unix Timestamp to Modified Julian Day

How to Convert MJD to Unix

To convert mjd to unix, multiply the value by 1.

The Formula

Unix = MJD × 1

Key Fact

1 modified julian day = 1 unix

Tip: To convert unix back to mjd, divide by 1.

Example Conversions

Example 1: 1 MJD = -3506630400 Unix
1 × 1 = -3506630400
Example 2: 5 MJD = -3506284800 Unix
5 × 1 = -3506284800
Example 3: 10 MJD = -3505852800 Unix
10 × 1 = -3505852800

MJD to Unix Table

MJDUnix
0 MJD-3506716800 Unix
86400 MJD3958243200 Unix
604800 MJD4.87e+10 Unix
1765116783 MJD1.53e+14 Unix

1 Modified Julian Day in Other Units

Unit1 MJD =
Modified Julian Day to Unix Timestamp-3506630400 Unix
Modified Julian Day to ISO 8601-3506630400 ISO
Modified Julian Day to Julian Day2400001.5 JD
Modified Julian Day to Excel Serial Date-15017 Excel

Related Conversions

Unix Timestamp to Julian DayJulian Day to Unix TimestampUnix Timestamp to Excel DateExcel Date to Unix TimestampUnix Timestamp to Modified Julian Day