Calculate Duration Between Two Dates

From and including: vendredi 23 septembre 2005
To, but not including mardi 20 janvier 2009

Result: 1215 days

It is 1215 days from the start date to the end date, but not including the end date.

Or 3 years, 3 months, 28 days excluding the end date.

Or 39 months, 28 days excluding the end date.

This calculator ignores DST clock changes. To include them, use our World Time and Date Calculator and enter your location as the start and end location.

Alternative time units

1215 days can be converted to one of these units:

104 976 000 seconds
1 749 600 minutes
29 160 hours
1215 days
173 weeks and 4 days
332,88% of a common year (365 days)

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septembre 2005
			1	2	3	4
5	6	7	8	9	10	11
12	13	14	15	16	17	18
19	20	21	22	23	24	25
26	27	28	29	30

octobre 2005
					1	2
3	4	5	6	7	8	9
10	11	12	13	14	15	16
17	18	19	20	21	22	23
24	25	26	27	28	29	30
31

novembre 2005–décembre 2008
novembre 2005–décembre 2005: 61 days included Year 2006: 365 days included Year 2007: 365 days included Year 2008: 366 days included

janvier 2009
			1	2	3	4
5	6	7	8	9	10	11
12	13	14	15	16	17	18
19	20	21	22	23	24	25
26	27	28	29	30	31

= First day included (23 sep 2005)

= Last day included (19 jan 2009)

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See how long remains before a deadline or exactly when those 30 days are up.

Help and Example Use

Some typical uses for the Date Calculators

Date Calculators

Duration Between Two Dates – Calculates number of days
Time and Date Duration – Calculate duration, with both date and time included
Date Calculator – Add or subtract days, months, years
Birthday Calculator – Find when you are 1 billion seconds old

Days Calculator: Days Between Two Dates

Start Date

End Date