31 December 2028 (Sunday)

31 December 2028 is a Sunday: day no. 366 of the year, week no. 52 (weeks starting on Monday), quarter no. 4. December 2028 has 31 days, and 2028 is a leap year: the year therefore has 366 days. In the United States this date is written 12/31/2028; here it is written 31/12/2028. The first day of December 2028 is a Friday and the last is a Sunday. The year 2028 begins on Saturday and ends on Sunday.

Days until the date864
Weeks until the date123
Working days until the date605
Weekend days until 31 December 2028248
Public holidays until 31 December 202816
Working days in December 202819
Working days in 2028254
Weekend days in December 202812
Days off in 2028112
Public holidays in December 20282
Public holidays in 20287

December 2028

MonTueWedThuFriSatSun
123
45678910
11121314151617
18192021222324
25262728293031

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
25 December 2027 (Saturday) — Christmas Day
26 December 2027 (Sunday) — Boxing Day

2028

1 January 2028 (Saturday) — New Year's Day
26 January 2028 (Wednesday) — Australia Day
14 April 2028 (Friday) — Good Friday
17 April 2028 (Monday) — Easter Monday
25 April 2028 (Tuesday) — ANZAC Day
25 December 2028 (Monday) — Christmas Day
26 December 2028 (Tuesday) — Boxing Day

How many days in December 2028

  • How many days in December 2028 — in December 2028 has 31 days
  • How many days in 2028 — 2028 has 366 days

How many days until 31 December 2028

  • How many days until 31 December 2028 — 864 days
  • How many working days until 31 December 2028 — 605 working days
  • How many weekend days until 31 December 2028 — 248 non-working days
  • How many months until December 2028 — 28 months
  • How many hours until 31 December 2028 — 20736 hours
  • How many minutes until 31 December 2028 — 1244160 minutes
  • Countdown in seconds to 31 December 2028 — 74649600 seconds

31 December 2028 falls in the final month of 2028, the 366-day year that closes on 31 December. The following year opens with New Year's Day and its own run of public holidays already fixed on the calendar for the twelve months ahead.

Any deadline or bill payment due on Sunday 31 December 2028 moves to the following Monday under standard business-day rules, since Sunday sits outside the working week this page counts by default. This convention applies consistently across contracts, invoices and statutory deadlines throughout Australia, regardless of which state or territory is involved.

The week number shown for 31 December 2028 counts full weeks from the start of 2028, 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.