How to mock the browser's timezone?
5816
How to use a custom time in browser to test for client vs server time difference
33411
Converting an ISO 8601 timestamp into an NSDate: How does one deal with the UTC time offset?
152767
Getting computer's UTC offset in Python
66245
Java Time Zone is messed up
146049
PHP 5.4 Can't Determine Time Zones on its own
126051
How to get WordPress Time Zone setting?
97958
Parsing date with timezone from an email?
21320
Python time to age, part 2: timezones
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"date(): It is not safe to rely on the system's timezone settings..."
41798
How to tell if a timezone observes daylight saving at any time of the year?
146738
Python datetime object show wrong timezone offset
100906
Is there a Time Zone setting?
19859
In Apex, how can I format Datetime for Europe/Berlin without assuming the input value is GMT?
2571
Does PHP time() return a GMT/UTC Timestamp?
81575
PHP use CURRENT_TIMESTAMP from eastern time zone
128249
Changing timezone in PHP
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Parse DateTime with time zone of form PST/CEST/UTC/etc