21 December 2027 (Tuesday)

21 December 2027 is a Tuesday: day no. 355 of the year, week no. 51 (weeks starting on Monday), quarter no. 4. December 2027 has 31 days, and 2027 is a common year (not a leap year): the year therefore has 365 days. In the United States this date is written 12/21/2027; here it is written 21/12/2027. The first day of December 2027 is a Wednesday and the last is a Friday. The year 2027 begins on Friday and ends on Friday.

Days until the date488
Weeks until the date69
Working days until the date343
Weekend days until 21 December 2027140
Public holidays until 21 December 20277
Working days in December 202723
Working days in 2027257
Weekend days in December 20278
Days off in 2027108
Public holidays in December 20272
Public holidays in 20277

December 2027

MonTueWedThuFriSatSun
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Public holidays

2026

25 December 2026 (Friday) — Christmas Day
26 December 2026 (Saturday) — Boxing Day

2027

1 January 2027 (Friday) — New Year's Day
26 January 2027 (Tuesday) — Australia Day
26 March 2027 (Friday) — Good Friday
29 March 2027 (Monday) — Easter Monday
25 April 2027 (Sunday) — ANZAC Day

How many days in December 2027

  • How many days in December 2027 — in December 2027 has 31 days
  • How many days in 2027 — 2027 has 365 days

How many days until 21 December 2027

  • How many days until 21 December 2027 — 488 days
  • How many working days until 21 December 2027 — 343 working days
  • How many weekend days until 21 December 2027 — 140 non-working days
  • How many months until December 2027 — 16 months
  • How many hours until 21 December 2027 — 11712 hours
  • How many minutes until 21 December 2027 — 702720 minutes
  • Countdown in seconds to 21 December 2027 — 42163200 seconds

Summer officially begins on 1 December, and by 21 December 2027 the country runs its hottest, longest-daylight stretch of the year. December closes 2027 in the fourth calendar quarter, the final quarter under the standard January-to-December system used on this page.

The Melbourne Cup is held on the first Tuesday of November every year, a public holiday in metropolitan Melbourne. Tuesday 21 December 2027 falls on this day of the week, the same weekday the race runs on every year regardless of the date it lands on, drawing national attention well beyond Victoria's own borders.

The week number shown for 21 December 2027 counts full weeks from the start of 2027, a figure used in payroll cycles, rostering and any planning done in weekly or fortnightly blocks rather than by calendar month. Businesses running fortnightly pay runs rely on this figure to track which of the two alternating pay weeks a date falls in.