Add Philadelphia (Vereinigte Staaten von Amerika) to your list and use my-locations table to visually convert it's time to another timezone or city time.
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Current time zone for Philadelphia (Vereinigte Staaten von Amerika) is EST, whose offset is GMT-5 from Greenwich Mean Time (GMT).

The IANA timezone identifier for Philadelphia, Vereinigte Staaten von Amerika is "America/New_York"

It currently does not observe Daylight Savings Time.

DST ended on Sunday, November 3 2024 at 2:00 am local time, when time in Philadelphia moved back 1 hour to 1:00 am.
DST starts on Sunday, March 9 2025 at 2:00 am local time, when time in Philadelphia moves forward 1 hour to 3:00 am.