Saturday

Julian Date for March 16, 2024

Saturday, March 16, 2024 is day 76 of 366 — the 76th day of 2024. Written as a Julian date it is 2024076.

Julian date (YYYYDDD)

2024076

5-digit (YYDDD)
24076
Day of year
76
Zero-padded (DDD)
076
Julian Day Number
2460386
Julian Date at 00:00 UTC
2460385.5
Modified Julian Date
60385.0

How 2024076 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 16, 2024 is the 76th day of 2024, so the code is 2024 + 076 = 2024076. Many systems drop the century and print 24076 instead.

2024 is a leap year with 366 days, so day numbers run from 001 to 366. After March 16, 2024 there are 290 days left in the year.

Careful: 24076 does not name a century

The 5-digit form 24076 only carries two digits of year, so on its own it is ambiguous. Day 76 of a year ending in 24 could equally be:

  • March 16, 2024 — the usual reading for a recent product code
  • March 16, 1924
  • March 16, 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 76 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 2021076 March 17, 2021
2022 2022076 March 17, 2022
2023 2023076 March 17, 2023
2024 2024076 March 16, 2024
2025 2025076 March 17, 2025
2026 2026076 March 17, 2026
2027 2027076 March 17, 2027

Astronomical Julian Date for March 16, 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 16, 2024 is 2460386 — that number covers the 24 hours from noon UTC on March 16, 2024 to noon UTC the next day.

  • JD at 00:00 UTC — 2460385.5
  • JD at 12:00 UTC — 2460386.0
  • Modified Julian Date (MJD) at 00:00 UTC — 60385.0

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

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