Friday

Julian Date for March 22, 2024

Friday, March 22, 2024 is day 82 of 366 — the 82nd day of 2024. Written as a Julian date it is 2024082.

Julian date (YYYYDDD)

2024082

5-digit (YYDDD)
24082
Day of year
82
Zero-padded (DDD)
082
Julian Day Number
2460392
Julian Date at 00:00 UTC
2460391.5
Modified Julian Date
60391.0

How 2024082 is built

A Julian date in the day-of-year sense is just the year followed by the day number, counted from 1 January. March 22, 2024 is the 82nd day of 2024, so the code is 2024 + 082 = 2024082. Many systems drop the century and print 24082 instead.

2024 is a leap year with 366 days, so day numbers run from 001 to 366. After March 22, 2024 there are 284 days left in the year.

Careful: 24082 does not name a century

The 5-digit form 24082 only carries two digits of year, so on its own it is ambiguous. Day 82 of a year ending in 24 could equally be:

  • March 22, 2024 — the usual reading for a recent product code
  • March 22, 1924
  • March 22, 2124

If you are reading a code off packaging, the surrounding context — a shelf life of months rather than decades — almost always settles it.

Day 82 in nearby years

The same day number lands on a different calendar date depending on whether the year is a leap year. This is the single most common mistake when decoding a code whose year you had to guess.

YearJulian dateCalendar date
2021 2021082 March 23, 2021
2022 2022082 March 23, 2022
2023 2023082 March 23, 2023
2024 2024082 March 22, 2024
2025 2025082 March 23, 2025
2026 2026082 March 23, 2026
2027 2027082 March 23, 2027

Astronomical Julian Date for March 22, 2024

In astronomy, "Julian Date" means something different: a continuous count of days since noon on 1 January 4713 BC. The Julian Day Number for March 22, 2024 is 2460392 — that number covers the 24 hours from noon UTC on March 22, 2024 to noon UTC the next day.

  • JD at 00:00 UTC — 2460391.5
  • JD at 12:00 UTC — 2460392.0
  • Modified Julian Date (MJD) at 00:00 UTC — 60391.0

See Julian Day for where the count comes from, or the astronomical converter to include a time of day.

Look something else up