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Editorial Team
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Editorial Team
Asked: June 1, 20262026-06-01T10:25:33+00:00 2026-06-01T10:25:33+00:00

In xquery, How to get 90 days before date from a given date? Say

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In xquery, How to get 90 days before date from a given date?

Say given date is 30-03-2012.
I want to get the date which is 90 days before the given date. Leap year calculation should also not get missed.

I could not find any built in functions. There are add/substract methods, but it works only with two dates.

Any ideas?

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  1. Editorial Team
    Editorial Team
    2026-06-01T10:25:34+00:00Added an answer on June 1, 2026 at 10:25 am

    You need to subtract a dayTimeDuration (90 days) from a date, i.e.

    xs:date("2012-03-30") - xs:dayTimeDuration("P90D")
    
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