How To Convert Date To Format “Yyyy-Mm-Ddthh:Mm:Ss-Hh:Mm”?

151    Asked by Dhruvtiwari in Java , Asked on Aug 2, 2023

I need to convert Date from “YYYY-MM-DD” to ‘YYYY-MM-DDThh:mm:ss-hh:mm” format. How to do so?
By trying the “yyyy-Mm-dd’ T ‘ HH:mm:ss.SSSXXX” pattern, it is possible to change Date from “YYYY-MM-DD” to “YYYY-MM-DDThh:mm:ss-hh:mm” format like the one given below:

Date d =; Datetime myDT = datetime.newInstance(d.year(), d.month(),; String myDate = myDT.format('yyyy-MM-dd'T'HH:mm:ss.SSSXXX');
"YYYY-MM-DDThh:mm:ss-hh:mm" is ISO 8601 format. Check this link- for ISO formats.
Refer for formatting and parsing dates.
Different time and date patterns
Date and time patterns can be traced from the example below:
yyyy-MM-dd HH:mm:ss.SSSXXX
1999-03-22 05:06:07.000+01:00
yyyy-MM-dd HH:mm:ss,SSSXXX
1999-03-22 05:06:07,000+01:00
yyyy-MM-dd HH:mm:ssXXX
1999-03-22 05:06:07+01:00

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