World Map with Timezones

You can use the mouse wheel to zoom in on the map, and the control key to lock a timezone. Also, the world map can be programmatically centered on any supported timezone.

Detect and Display Daylight Saving Time (DST)

• nextDSTTransitions
• recentTimeChangeAnalysis
• intlPolyfillComparison
• firstDSTRecords
• timezoneDSTHistory
• userTimezoneInfo
• dstTransitionCount