Timezone Calculations and Unix Epoch Timestamps

Avoiding Daylight Saving Time bugs, leap seconds, and UTC storage best practices.

Published by EvriTool Editorial Team • Reading Time: 7 min read • Public Reference Guide (No Login Required)

Storing UTC Epoch Everywhere

Store timestamps as integer milliseconds since Jan 1 1970 and convert to local time only at the UI layer.

Handling Daylight Saving Transitions

Accounting for missing or duplicated hours when scheduling calendar recurring events across borders.


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