Sunday

Julian Date for August 1, 2027

Sunday, August 1, 2027 is day 213 of 365 — the 213th day of 2027. Written as a Julian date it is 2027213.

Julian date (YYYYDDD)

2027213

5-digit (YYDDD)
27213
Day of year
213
Zero-padded (DDD)
213
Julian Day Number
2461619
Julian Date at 00:00 UTC
2461618.5
Modified Julian Date
61618.0

How 2027213 is built

A Julian date in the day-of-year sense is just the year followed by the day number, counted from 1 January. August 1, 2027 is the 213th day of 2027, so the code is 2027 + 213 = 2027213. Many systems drop the century and print 27213 instead.

2027 is a common year with 365 days, so day numbers run from 001 to 365. After August 1, 2027 there are 152 days left in the year.

Careful: 27213 does not name a century

The 5-digit form 27213 only carries two digits of year, so on its own it is ambiguous. Day 213 of a year ending in 27 could equally be:

  • August 1, 2027 — the usual reading for a recent product code
  • August 1, 1927
  • August 1, 2127

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

Day 213 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
2024 2024213 July 31, 2024
2025 2025213 August 1, 2025
2026 2026213 August 1, 2026
2027 2027213 August 1, 2027
2028 2028213 July 31, 2028
2029 2029213 August 1, 2029
2030 2030213 August 1, 2030

Astronomical Julian Date for August 1, 2027

In astronomy, "Julian Date" means something different: a continuous count of days since noon on 1 January 4713 BC. The Julian Day Number for August 1, 2027 is 2461619 — that number covers the 24 hours from noon UTC on August 1, 2027 to noon UTC the next day.

  • JD at 00:00 UTC — 2461618.5
  • JD at 12:00 UTC — 2461619.0
  • Modified Julian Date (MJD) at 00:00 UTC — 61618.0

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

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