Friday

Julian Date for March 1, 2024

Friday, March 1, 2024 is day 61 of 366 — the 61st day of 2024. Written as a Julian date it is 2024061.

Julian date (YYYYDDD)

2024061

5-digit (YYDDD)
24061
Day of year
61
Zero-padded (DDD)
061
Julian Day Number
2460371
Julian Date at 00:00 UTC
2460370.5
Modified Julian Date
60370.0

How 2024061 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 1, 2024 is the 61st day of 2024, so the code is 2024 + 061 = 2024061. Many systems drop the century and print 24061 instead.

2024 is a leap year with 366 days, so day numbers run from 001 to 366. After March 1, 2024 there are 305 days left in the year.

Careful: 24061 does not name a century

The 5-digit form 24061 only carries two digits of year, so on its own it is ambiguous. Day 61 of a year ending in 24 could equally be:

  • March 1, 2024 — the usual reading for a recent product code
  • March 1, 1924
  • March 1, 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 61 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 2021061 March 2, 2021
2022 2022061 March 2, 2022
2023 2023061 March 2, 2023
2024 2024061 March 1, 2024
2025 2025061 March 2, 2025
2026 2026061 March 2, 2026
2027 2027061 March 2, 2027

Astronomical Julian Date for March 1, 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 1, 2024 is 2460371 — that number covers the 24 hours from noon UTC on March 1, 2024 to noon UTC the next day.

  • JD at 00:00 UTC — 2460370.5
  • JD at 12:00 UTC — 2460371.0
  • Modified Julian Date (MJD) at 00:00 UTC — 60370.0

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

Look something else up