2009-W44

Week 44, 2009

Monday, October 26, 2009 – Sunday, November 1, 2009

ISO 8601
2009-W44

Monday–Sunday

US week (approx.)
44–45

Sunday–Saturday convention on days in this range

Days in this week

Weekday Date Day of year Month US week
Monday October 26, 2009 299 Calendar 44
Tuesday October 27, 2009 300 Calendar 44
Wednesday October 28, 2009 301 Calendar 44
Thursday October 29, 2009 302 Calendar 44
Friday October 30, 2009 303 Calendar 44
Saturday October 31, 2009 304 Calendar 44
Sunday November 1, 2009 305 Calendar 45

Federal holidays this week

None of the US federal observed holidays fall in this ISO week.

All 2009 holidays

Week 44 of 2009

ISO week 44 of 2009 (2009-W44) runs Monday, October 26, 2009 through Sunday, November 1, 2009. The full range is Oct 26 – Nov 1, 2009. Days follow the ISO Monday–Sunday convention. The US week label for dates in this window is 44–45.

Federal holidays in this window: No federal holidays. This week stays within a single calendar year. When a holiday shifts observance to a nearby weekday, the table shows the date offices actually close rather than the legal calendar date alone.

ISO vs US week labels

ISO weeks always start on Monday and end on Sunday. US week numbers on this site often follow a Sunday-start convention used in retail and broadcast schedules. Both labels appear on week pages so you can match internal reports that use either system. When the two disagree at year boundaries, the cross-year note on this page explains which label applies to each calendar day.

Day-by-day breakdown

The grid above lists all seven days with weekday names, calendar dates, and day-of-year numbers. That layout helps compare ISO week boundaries against month-end billing cycles or school weeks that start on Sunday. Each row links back to the parent year table for context. Payroll teams often map ISO weeks to pay periods even when checks are issued on a different weekday schedule.

Download an ICS calendar file for this week to import the date range into Outlook, Google Calendar, or Apple Calendar. The file contains one all-day event spanning Monday, October 26, 2009 through Sunday, November 1, 2009.

Navigate weeks and years

Use previous week and next week links to step through 2009 one ISO week at a time. Open the full 2009 week table to jump to any week number directly.

Printable yearly view

For a single sheet with all twelve months and week columns, download the 2009 yearly calendar PDF. Monthly detail with larger day cells is available from the monthly calendars hub when this week spans two different months.

Frequently asked questions

What dates are in week 44 of 2009?

ISO week 44 (2009-W44) runs Monday, October 26, 2009 through Sunday, November 1, 2009, Monday through Sunday. Always confirm edge cases against primary sources when results affect legal, medical, or financial decisions.

What is the US week for this range?

Days in this ISO week map to US week 44–45 under the Sunday–Saturday convention. Individual days may differ near year boundaries. Always confirm edge cases against primary sources when results affect legal, medical, or financial decisions.

Are there federal holidays this week?

No federal holidays. Observed federal dates are listed above with weekday labels. Always confirm edge cases against primary sources when results affect legal, medical, or financial decisions.

Does this week cross calendar years?

ISO weeks can begin in the previous December or end in the next January. Note for this week: This week stays within a single calendar year. The day table above shows each calendar date. Always confirm edge cases against primary sources when results affect legal, medical, or financial decisions.

How do I add this week to my calendar app?

Download the ICS file from this page. It creates an all-day event covering Monday through Sunday for 2009-W44. Always confirm edge cases against primary sources when results affect legal, medical, or financial decisions.

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