Skip to content
DATETOOLS

Days of the Week in 2003

2003 began on a Wednesday and was a common year of 365 days. Its doomsday was Friday, which is the weekday shared by 4 April, 6 June, 8 August, 10 October and 12 December that year.

Day of the week


15 June 2003

Sunday

Day 166 of 2003 · ISO week 24 of 2003

15 June 2003 was a Sunday. That was 8,454 days ago, which is 23 years.

WeekdaySunday
Days ago8,454
Day of the year166 of 365
ISO week24 of 2003
Same date this yearMonday
Doomsday 2003Friday
Work it out in your head

Every year has a doomsday: the weekday shared by 4/4, 6/6, 8/8, 10/10, 12/12, 5/9, 9/5, 7/11, 11/7 and the last day of February. Learn the year's doomsday and any date is a short sum from the nearest anchor.

Doomsday for 2003Friday
Nearest anchor6/6
Step from the anchor+9 days
Step, modulo 72
ResultSunday
15 June next falls on a Sunday in these years. The gap is not a fixed cycle, because leap years shift the weekday by two rather than one.
YearYears from 2003
20085
201411
202522
203128

Every month of 2003

The weekday each month opened and closed on. Between the two, every date in that month is a short count away, and the tool above gives it exactly.

The first and last day of each month of 2003, with the number of days in the month.
Month 1st was a Last day was a Days
January Wednesday Friday 31
February Saturday Friday 28
March Saturday Monday 31
April Tuesday Wednesday 30
May Thursday Saturday 31
June Sunday Monday 30
July Tuesday Thursday 31
August Friday Sunday 31
September Monday Tuesday 30
October Wednesday Friday 31
November Saturday Sunday 30
December Monday Wednesday 31

2003 at a glance

1 January Wednesday
31 December Wednesday
Leap year No, February had 28 days
Days in the year 365
ISO weeks 52
Doomsday Friday
Days since 1 January 2003 8,619

Using the doomsday for 2003

The doomsday for 2003 was Friday. That single fact gives you ten dates for free: 4 April, 6 June, 8 August, 10 October and 12 December were all Fridays, and so were 9 May, 5 September, 11 July, 7 November and 28 February.

From any of those, count forwards or backwards to the date you want and take the remainder after dividing by seven. The working panel under the result does it for you on whatever date you enter, so you can check yourself while you learn the method.

Frequently asked questions

What day of the week was 1 January 2003?

A Wednesday. 2003 was a common year, so it ran to 365 days and ended on a Wednesday.

Was 2003 a leap year?

No. 2003 does not divide by four, so February had 28 days.

How old is someone born in 2003?

They turn 23 during 2026, or are 22 until their birthday. For an exact figure to the day, use the age calculator with the full date of birth.

The link copies with the answer, so it opens on the same date.