Week 17 in 2011

WEEK
18

This week starts on Sunday, April 24, 2011 and ends on Saturday, April 30, 2011.

WEEK EUROPE & ISO
17

This week starts on Monday, April 25, 2011 and ends on Sunday, May 1, 2011.

Week 17 of 2011 begins on April 25, 2011 and ends on May 1, 2011. It covers days 115 to 121 of the year and falls in quarter 2.

Weeks since this week: 806

Week 17 of 2011 at a glance

Starts (Monday)April 25, 2011
Ends (Sunday)May 1, 2011
US week (Sunday to Saturday)18 (April 24, 2011)
MonthApril / May
QuarterQ2
Days of the year115–121
Year completed at the end of this week33.2%
Weeks left in 2011 after this week35
Weeks in 201152
Even or odd weekOdd

Calendar for April 2011

April 2011
SuMoTuWeThFrSa
Week 1312
Week 143456789
Week 1510111213141516
Week 1617181920212223
Week 1724252627282930
USA Calendar

All Weeks in 2011:

Past & Future Week Number 17:

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 18 of 2011. It runs from April 24, 2011 to April 30, 2011.

Even and odd weeks

Week 17 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 17 in other years

FromTo
Week 17 in 2009April 20, 2009April 26, 2009
Week 17 in 2010April 26, 2010May 2, 2010
Week 17 in 2012April 23, 2012April 29, 2012
Week 17 in 2013April 22, 2013April 28, 2013

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 2011 began on January 3, 2011. 2011 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 17 of 2011 start and end?

Week 17 of 2011 starts on April 25, 2011 and ends on May 1, 2011 (ISO 8601, Monday to Sunday).

Which month is week 17 of 2011 in?

Week 17 of 2011 starts in April and ends in May.

What dates are in week 17 of 2011?

April 25, 2011, April 26, 2011, April 27, 2011, April 28, 2011, April 29, 2011, April 30, 2011, and May 1, 2011

How many weeks does 2011 have?

2011 has 52 ISO weeks.

Is week 17 an even or odd week?

Week 17 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 18 of 2011. It runs from April 24, 2011 to April 30, 2011.