Parse and explain POSIX timezone strings (e.g., EST5EDT,M3.2.0,M11.1.0).
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Enter a POSIX timezone string
How this calculator works
Breaks down a POSIX timezone string into its components: standard name/offset, DST name/offset, and transition rules.
Common questions about this calculator
These calculators are for informational purposes only. While we strive for accuracy, results should not be used as the sole basis for important decisions.
