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    Week Numbers 2028

    What Week of the Year Is It
    Week numbers of

    How many ISO weeks are in 2028?

    Answer

    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)

    All 52 ISO weeks of 2028

    WeekMondaySunday
    1
    2
    3
    4
    5
    6
    7
    8
    9
    10
    11
    12
    13
    14
    15
    16
    17
    18
    19
    20
    21
    22
    23
    24
    25
    26
    27
    28
    29
    30
    31
    32
    33
    34
    35
    36
    37
    38
    39
    40
    41
    42
    43
    44
    45
    46
    47
    48
    49
    50
    51
    52

    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.

    See Also

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    https://calculat.io/en/date/week-number/2028Copy
    <a href="https://calculat.io/en/date/week-number/2028">Week Numbers 2028: All 52 ISO Weeks with Dates - Calculatio</a>Copy
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    Week Numbers 2028: All 52 ISO Weeks with Dates. 2028 has 52 weeks in ISO 8601: week 1 starts Jan 3, 2028, the last week ends Dec 31, 2028.
    https://calculat.io/en/date/week-number/2028/generated.jpgCopy

    ISO Weeks in Nearby Years

    YearISO weeksWeek 1 starts → last week ends
    202053Dec 30, 2019 → Jan 3, 2021
    202152Jan 4, 2021 → Jan 2, 2022
    202252Jan 3, 2022 → Jan 1, 2023
    202352Jan 2, 2023 → Dec 31, 2023
    202452Jan 1, 2024 → Dec 29, 2024
    202552Dec 30, 2024 → Dec 28, 2025
    202653Dec 29, 2025 → Jan 3, 2027
    202752Jan 4, 2027 → Jan 2, 2028
    202852Jan 3, 2028 → Dec 31, 2028
    202952Jan 1, 2029 → Dec 30, 2029
    203052Dec 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.