ISO 8601 to Julian Day

Convert iso (ISO) to jd (JD) with formulas, examples, and conversion tables.

ISO
JD
1 ISO = 2440587.5 JD
Full precision:2440587.5 JD
Step-by-Step Solution

To convert 1 iso to jd, we multiply by 1 because one iso 8601 equals exactly 1 jd.

1 iso 8601 = 1 jd

Since each iso 8601 contains 1 jd, we multiply our value by this factor:

1 × 1 = 2440587.5 jd

So 1 iso = 2440587.5 jd.

✓Quick check: 2440587.5 ÷ 1 = 1 iso
↔ Julian Day to ISO 8601

How to Convert ISO to JD

To convert iso to jd, multiply the value by 1.

The Formula

JD = ISO × 1

Key Fact

1 iso 8601 = 1 jd

Tip: To convert jd back to iso, divide by 1.

Example Conversions

Example 1: 1 ISO = 2440587.5 JD
1 × 1 = 2440587.5
Example 2: 5 ISO = 2440587.5 JD
5 × 1 = 2440587.5
Example 3: 10 ISO = 2440587.5 JD
10 × 1 = 2440587.5

ISO to JD Table

ISOJD
0 ISO2440587.5 JD
86400 ISO2440588.5 JD
604800 ISO2440594.5 JD
1765163406 ISO2461017.63 JD

1 ISO 8601 in Other Units

Unit1 ISO =
ISO 8601 to Unix Timestamp1 Unix
ISO 8601 to Julian Day2440587.5 JD
ISO 8601 to Modified Julian Day40587 MJD
ISO 8601 to Excel Serial Date25569 Excel

Related Conversions

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