Week 49 in 80

WEEK
49

This week starts on Sunday, December 1, 80 and ends on Saturday, December 7, 80.

WEEK EUROPE & ISO
49

This week starts on Monday, December 2, 80 and ends on Sunday, December 8, 80.

Week 49 of 80 begins on December 2, 80 and ends on December 8, 80. It covers days 337 to 343 of the year and falls in quarter 4.

Weeks since this week: 101528

Week 49 of 80 at a glance

Starts (Monday)December 2, 80
Ends (Sunday)December 8, 80
US week (Sunday to Saturday)49 (December 1, 80)
MonthDecember
QuarterQ4
Days of the year337–343
Year completed at the end of this week93.7%
Weeks left in 80 after this week3
Weeks in 8052
Even or odd weekOdd

Calendar for December 80

December 80
SuMoTuWeThFrSa
Week 491234567
Week 50891011121314
Week 5115161718192021
Week 5222232425262728
Week 1293031
USA Calendar

Download Calendar in printable A4 PDF

  • Print December 80 Calendar Open calendar PDF in new window (US version)
  • Print December 80 Calendar Open calendar PDF in new window (EU/ISO Version)
  • Print Full Year 80 Calendar (US version) Open calendar PDF in new window
  • Print Full Year 80 Calendar (EU/ISO Version) Open calendar PDF in new window

    • All Weeks in 80:

    Week 1 in 80 Week 2 in 80 Week 3 in 80 Week 4 in 80 Week 5 in 80 Week 6 in 80 Week 7 in 80 Week 8 in 80 Week 9 in 80 Week 10 in 80 Week 11 in 80 Week 12 in 80 Week 13 in 80 Week 14 in 80 Week 15 in 80 Week 16 in 80 Week 17 in 80 Week 18 in 80 Week 19 in 80 Week 20 in 80 Week 21 in 80 Week 22 in 80 Week 23 in 80 Week 24 in 80 Week 25 in 80 Week 26 in 80 Week 27 in 80 Week 28 in 80 Week 29 in 80 Week 30 in 80 Week 31 in 80 Week 32 in 80 Week 33 in 80 Week 34 in 80 Week 35 in 80 Week 36 in 80 Week 37 in 80 Week 38 in 80 Week 39 in 80 Week 40 in 80 Week 41 in 80 Week 42 in 80 Week 43 in 80 Week 44 in 80 Week 45 in 80 Week 46 in 80 Week 47 in 80 Week 48 in 80 Week 49 in 80 Week 50 in 80 Week 51 in 80 Week 52 in 80

    Past & Future Week Number 49:

    Week 49 in 2016 Week 49 in 2017 Week 49 in 2018 Week 49 in 2019 Week 49 in 2020 Week 49 in 2021 Week 49 in 2022 Week 49 in 2023 Week 49 in 2024 Week 49 in 2025 Week 49 in 2026 Week 49 in 2027 Week 49 in 2028 Week 49 in 2029 Week 49 in 2030 Week 49 in 2031 Week 49 in 2032 Week 49 in 2033 Week 49 in 2034 Week 49 in 2035 Week 49 in 2036

    US and ISO week numbers

    In the US system, where weeks start on Sunday and week 1 is the week that contains 1 January, this is week 49 of 80. It runs from December 1, 80 to December 7, 80.

    Even and odd weeks

    Week 49 is an odd week. Even and odd week numbers are used for alternating schedules such as shift rotas, school timetables, custody arrangements and waste collection.

    Week 49 in other years

    FromTo
    Week 49 in 78December 5, 78December 11, 78
    Week 49 in 79December 4, 79December 10, 79
    Week 49 in 81December 1, 81December 7, 81
    Week 49 in 82November 30, 82December 6, 82

    How week numbers are counted

    Most of the world numbers weeks according to the ISO 8601 standard. A week starts on Monday, and week 1 is the week that contains the first Thursday of the year, which is always the week that contains 4 January.

    Week 1 of 80 began on January 1, 80. 80 has 52 ISO weeks.

    Because of this rule, the first days of January can belong to the last week of the previous year, and the last days of December can belong to week 1 of the next year.

    In the United States, weeks usually start on Sunday and week 1 is the week that contains 1 January, so the US week number can differ from the ISO week number.

    Find the week number of a date

    Frequently Asked Questions (FAQ)

    When does week 49 of 80 start and end?

    Week 49 of 80 starts on December 2, 80 and ends on December 8, 80 (ISO 8601, Monday to Sunday).

    Which month is week 49 of 80 in?

    Week 49 of 80 is in December.

    What dates are in week 49 of 80?

    December 2, 80, December 3, 80, December 4, 80, December 5, 80, December 6, 80, December 7, 80, and December 8, 80

    How many weeks does 80 have?

    80 has 52 ISO weeks.

    Is week 49 an even or odd week?

    Week 49 is an odd week.

    What is the US week number for this week?

    In the US system, where weeks start on Sunday and week 1 is the week that contains 1 January, this is week 49 of 80. It runs from December 1, 80 to December 7, 80.