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Week Numbers 1987

Week Numbers 1986 1987 Week Numbers 1988

Week numbers for 1987

View all week numbers for 1987 in the table below. Each week shows its start and end date according to the ISO 8601 standard.

This is a special year with 53 weeks instead of the usual 52 weeks.

Week Numbers 1987: Start date: End date:
week 1 12/29/1986 01/04/1987
week 2 01/05/1987 01/11/1987
week 3 01/12/1987 01/18/1987
week 4 01/19/1987 01/25/1987
week 5 01/26/1987 02/01/1987
week 6 02/02/1987 02/08/1987
week 7 02/09/1987 02/15/1987
week 8 02/16/1987 02/22/1987
week 9 02/23/1987 03/01/1987
week 10 03/02/1987 03/08/1987
week 11 03/09/1987 03/15/1987
week 12 03/16/1987 03/22/1987
week 13 03/23/1987 03/29/1987
week 14 03/30/1987 04/05/1987
week 15 04/06/1987 04/12/1987
week 16 04/13/1987 04/19/1987
week 17 04/20/1987 04/26/1987
week 18 04/27/1987 05/03/1987
week 19 05/04/1987 05/10/1987
week 20 05/11/1987 05/17/1987
week 21 05/18/1987 05/24/1987
week 22 05/25/1987 05/31/1987
week 23 06/01/1987 06/07/1987
week 24 06/08/1987 06/14/1987
week 25 06/15/1987 06/21/1987
week 26 06/22/1987 06/28/1987
week 27 06/29/1987 07/05/1987
week 28 07/06/1987 07/12/1987
week 29 07/13/1987 07/19/1987
week 30 07/20/1987 07/26/1987
week 31 07/27/1987 08/02/1987
week 32 08/03/1987 08/09/1987
week 33 08/10/1987 08/16/1987
week 34 08/17/1987 08/23/1987
week 35 08/24/1987 08/30/1987
week 36 08/31/1987 09/06/1987
week 37 09/07/1987 09/13/1987
week 38 09/14/1987 09/20/1987
week 39 09/21/1987 09/27/1987
week 40 09/28/1987 10/04/1987
week 41 10/05/1987 10/11/1987
week 42 10/12/1987 10/18/1987
week 43 10/19/1987 10/25/1987
week 44 10/26/1987 11/01/1987
week 45 11/02/1987 11/08/1987
week 46 11/09/1987 11/15/1987
week 47 11/16/1987 11/22/1987
week 48 11/23/1987 11/29/1987
week 49 11/30/1987 12/06/1987
week 50 12/07/1987 12/13/1987
week 51 12/14/1987 12/20/1987
week 52 12/21/1987 12/27/1987
week 53 12/28/1987 01/03/1988
Week Numbers 1986 1987 Week Numbers 1988

What is a week number?

A week number is the sequential number assigned to each week in a calendar year. We use the ISO 8601 international standard, where each week begins on Monday and runs through Sunday.

Calendar with week numbers

The calendar consists of 12 months. To reference smaller time periods, week numbers provide a convenient solution. Many activities are scheduled for a specific week when an exact date isn't yet confirmed. Week numbers offer a practical way to communicate these timeframes.

Week numbers for 1987

Week numbers on the calendar help make scheduling clearer. Week 1 begins in the first full week of January, following the ISO 8601 standard used internationally for business and planning.

The current week number is determined by the date. January 4 always falls in the first week of the year - this is the standard rule. Because of this, February 1 always falls in week 5.

You can calculate the current week number yourself by counting the elapsed weeks or checking a calendar. However, this is time-consuming, which is why we provide a complete overview for each year showing all week numbers with their start and end dates.

What is the week number this week?

Week numbers are particularly important for maintaining organized schedules and coordinating with others. Our tools make it easy to track week numbers throughout the year.

FAQ

How many weeks are in 1987?

The year 1987 has 53 weeks. This is determined by the ISO 8601 standard where week 1 is the first week with at least 4 days in January.

When does week 1 of 1987 start?

Week 1 of 1987 begins on the Monday closest to January 1, as long as at least 4 days fall in January.

How are week numbers determined?

We use the ISO 8601 international standard. Each week starts on Monday, and week 1 is the first week with at least 4 days in the new year. This means January 4 always falls in week 1.

See also: Calendar 1987