Thursday

Julian Date for March 14, 2024

Thursday, March 14, 2024 is day 74 of 366 — the 74th day of 2024. Written as a Julian date it is 2024074.

Julian date (YYYYDDD)

2024074

5-digit (YYDDD)
24074
Day of year
74
Zero-padded (DDD)
074
Julian Day Number
2460384
Julian Date at 00:00 UTC
2460383.5
Modified Julian Date
60383.0

How 2024074 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 14, 2024 is the 74th day of 2024, so the code is 2024 + 074 = 2024074. Many systems drop the century and print 24074 instead.

2024 is a leap year with 366 days, so day numbers run from 001 to 366. After March 14, 2024 there are 292 days left in the year.

Careful: 24074 does not name a century

The 5-digit form 24074 only carries two digits of year, so on its own it is ambiguous. Day 74 of a year ending in 24 could equally be:

  • March 14, 2024 — the usual reading for a recent product code
  • March 14, 1924
  • March 14, 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 74 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 2021074 March 15, 2021
2022 2022074 March 15, 2022
2023 2023074 March 15, 2023
2024 2024074 March 14, 2024
2025 2025074 March 15, 2025
2026 2026074 March 15, 2026
2027 2027074 March 15, 2027

Astronomical Julian Date for March 14, 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 14, 2024 is 2460384 — that number covers the 24 hours from noon UTC on March 14, 2024 to noon UTC the next day.

  • JD at 00:00 UTC — 2460383.5
  • JD at 12:00 UTC — 2460384.0
  • Modified Julian Date (MJD) at 00:00 UTC — 60383.0

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

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