Excel Date to Unix Timestamp

Convert excel (Excel) to unix (Unix) with formulas, examples, and conversion tables.

Excel
Unix
1 Excel = -2209075200 Unix
Full precision:-2209075200 Unix
Step-by-Step Solution

To convert 1 excel to unix, we multiply by 1 because one excel serial date equals exactly 1 unix.

1 excel serial date = 1 unix

Since each excel serial date contains 1 unix, we multiply our value by this factor:

1 × 1 = -2209075200 unix

So 1 excel = -2209075200 unix.

✓Quick check: -2209075200 ÷ 1 = 1 excel
↔ Unix Timestamp to Excel Date

How to Convert Excel to Unix

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

The Formula

Unix = Excel × 1

Key Fact

1 excel serial date = 1 unix

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

Example Conversions

Example 1: 1 Excel = -2209075200 Unix
1 × 1 = -2209075200
Example 2: 5 Excel = -2208729600 Unix
5 × 1 = -2208729600
Example 3: 10 Excel = -2208297600 Unix
10 × 1 = -2208297600

Excel to Unix Table

ExcelUnix
0 Excel-2209161600 Unix
86400 Excel5255798400 Unix
604800 Excel5e+10 Unix
1765116783 Excel1.53e+14 Unix

1 Excel Serial Date in Other Units

Unit1 Excel =
Excel Date to Unix Timestamp-2209075200 Unix
Excel Serial Date to ISO 8601-2209075200 ISO
Excel Serial Date to Julian Day2415019.5 JD
Excel Serial Date to Modified Julian Day15019 MJD

Related Conversions

Unix Timestamp to Julian DayJulian Day to Unix TimestampUnix Timestamp to Excel DateUnix Timestamp to Modified Julian DayModified Julian Day to Unix Timestamp