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Returns a JS date (system timezone) with the { year, month, day, hour, minute, second } equal to the reference. The output's instant is NOT the reference's instant when the reference's and system's timezone are different.
Returns the number minutes difference between the JS date's timezone and the reference timezone.
Returns a JS date (system timezone) with the { year, month, day, hour, minute, second } equal to the reference. The output's instant is NOT the reference's instant when the reference's and system's timezone are different.