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#dst

1 article tagged #dst.

A single departure time interpreted three ways — local, UTC, and across a DST boundary — diverging into different answers, in Active Flights brand cyan on near-black.
SSIM & Schedules·

Time zones, UTC and DST: the schedule's quiet minefield

Almost every serious schedule-data bug is, at bottom, a time bug. Local vs UTC, per-station offsets, and daylight-saving transitions turn a simple 'departure time' into one of the trickiest fields in the file.

#ssim#time-zones#utc#dst