Week Numbers 2028

What Week of the Year Is It

How many ISO weeks are in 2028?

Answer

2028 will have

52 ISO weeks

2028 starts in 412 days, on Saturday, January 1, 2028. (UTC)

ISO week 1 of 2028 starts on Monday, January 3, 2028 — in 414 days.

January 1, 2028, is a Saturday, a leap year → 52 ISO weeks (53 only when January 1 is a Thursday, or a Wednesday in a leap year)

Next

All 52 ISO weeks of 2028

Week	Monday	Sunday
1	Jan 3, 2028	Jan 9, 2028
2	Jan 10, 2028	Jan 16, 2028
3	Jan 17, 2028	Jan 23, 2028
4	Jan 24, 2028	Jan 30, 2028
5	Jan 31, 2028	Feb 6, 2028
6	Feb 7, 2028	Feb 13, 2028
7	Feb 14, 2028	Feb 20, 2028
8	Feb 21, 2028	Feb 27, 2028
9	Feb 28, 2028	Mar 5, 2028
10	Mar 6, 2028	Mar 12, 2028
11	Mar 13, 2028	Mar 19, 2028
12	Mar 20, 2028	Mar 26, 2028
13	Mar 27, 2028	Apr 2, 2028
14	Apr 3, 2028	Apr 9, 2028
15	Apr 10, 2028	Apr 16, 2028
16	Apr 17, 2028	Apr 23, 2028
17	Apr 24, 2028	Apr 30, 2028
18	May 1, 2028	May 7, 2028
19	May 8, 2028	May 14, 2028
20	May 15, 2028	May 21, 2028
21	May 22, 2028	May 28, 2028
22	May 29, 2028	Jun 4, 2028
23	Jun 5, 2028	Jun 11, 2028
24	Jun 12, 2028	Jun 18, 2028
25	Jun 19, 2028	Jun 25, 2028
26	Jun 26, 2028	Jul 2, 2028
27	Jul 3, 2028	Jul 9, 2028
28	Jul 10, 2028	Jul 16, 2028
29	Jul 17, 2028	Jul 23, 2028
30	Jul 24, 2028	Jul 30, 2028
31	Jul 31, 2028	Aug 6, 2028
32	Aug 7, 2028	Aug 13, 2028
33	Aug 14, 2028	Aug 20, 2028
34	Aug 21, 2028	Aug 27, 2028
35	Aug 28, 2028	Sep 3, 2028
36	Sep 4, 2028	Sep 10, 2028
37	Sep 11, 2028	Sep 17, 2028
38	Sep 18, 2028	Sep 24, 2028
39	Sep 25, 2028	Oct 1, 2028
40	Oct 2, 2028	Oct 8, 2028
41	Oct 9, 2028	Oct 15, 2028
42	Oct 16, 2028	Oct 22, 2028
43	Oct 23, 2028	Oct 29, 2028
44	Oct 30, 2028	Nov 5, 2028
45	Nov 6, 2028	Nov 12, 2028
46	Nov 13, 2028	Nov 19, 2028
47	Nov 20, 2028	Nov 26, 2028
48	Nov 27, 2028	Dec 3, 2028
49	Dec 4, 2028	Dec 10, 2028
50	Dec 11, 2028	Dec 17, 2028
51	Dec 18, 2028	Dec 24, 2028
52	Dec 25, 2028	Dec 31, 2028

ISO weeks are always whole, Monday to Sunday, so the numbering of 2028 starts on Monday, January 3, 2028, and ends on Sunday, December 31, 2028.

Other ways to count the weeks of 2028

Counted as whole blocks of seven days inside the calendar year, 2028 is 366 = 52 × 7 + 2, that is 52 weeks and 2 days. Both are true: the numbered ISO weeks are whole, so the first and the last of them may borrow days from the neighbouring years.

In the US numbering (weeks from Sunday, week 1 is the week that contains January 1) 2028 has 53 weeks, and week 1 starts on Sunday, December 26, 2027.

Related Calculations

January 1, 2028 - What Day of the Week

See Also

Date Calculator - Add to or Subtract Days/Weeks/Months or Years from Today
Weeks and Days Ago From Today - Calculate what day was it Weeks and Days Ago From Today
Days Between Two Dates - Calculate the Difference Between Two Dates. How many days, months, and years are between two dates? From date to date calculator
Days until Date - How many days, weeks, months and years until a Date. How Many Days Until My Birthday? Countdown to date
Calendar by Month and Year - A month or a whole year laid out by weekday, with ISO week numbers and holidays
How Many Weeks Are in a Year - Days, weeks, months, hours, minutes and seconds in a named year, leap years included
What Day of the Week Is It - Find the day of the week of any date. What day of week was or will be a date
What Day of the Year Is It - Today's day number, the days and weeks left until the end of the year and the share of it already gone

ISO Weeks in Nearby Years

Year	ISO weeks	Week 1 starts → last week ends
2020	53	Dec 30, 2019 → Jan 3, 2021
2021	52	Jan 4, 2021 → Jan 2, 2022
2022	52	Jan 3, 2022 → Jan 1, 2023
2023	52	Jan 2, 2023 → Dec 31, 2023
2024	52	Jan 1, 2024 → Dec 29, 2024
2025	52	Dec 30, 2024 → Dec 28, 2025
2026	53	Dec 29, 2025 → Jan 3, 2027
2027	52	Jan 4, 2027 → Jan 2, 2028
2028	52	Jan 3, 2028 → Dec 31, 2028
2029	52	Jan 1, 2029 → Dec 30, 2029
2030	52	Dec 31, 2029 → Dec 29, 2030

FAQ

How many ISO weeks are in 2028?

2028 will have 52 ISO weeks

When does week 1 of 2028 start?

Week 1 of 2028 runs from Monday, January 3, 2028, to Sunday, January 9, 2028. It is the week that contains the first Thursday of the year, January 6, 2028.

When does the last week of 2028 end?

The last ISO week of 2028 is week 52: Monday, December 25, 2028, to Sunday, December 31, 2028.

Why does 2028 have 52 ISO weeks?

2028 starts on a Saturday and ends on a Sunday, and it is a leap year of 366 days. A year has 53 ISO weeks only when 1 January is a Thursday, or a Wednesday in a leap year; neither holds here, so it has 52.

See Also