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Asked: 2026-05-25T03:11:17+00:00

I have a server which runs on Java and client which runs on python.

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I have a server which runs on Java and client which runs on python. When I connect the client and server I have to sync the time from server to client.
I was successful in connecting and sending streams from server to client. I wanted to know what is the usual way to send time and timezone. How can i do it? For now i am sending time in miliseconds and paring that in python to get the date and time. But I don’t know how to send time zone.

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  1. Editorial Team

    You should transmit and process the time in UTC and not mess with timezones at all. In Java, this is exactly what System.currentTimeMillis() returns.

    Edit: The correct format to transfer timezone information is to use a continent/city ID as in the tz database, e.g. “America/New_York” or “Europe/Berlin”. This is also used by Java. The base timezone offset is insufficient because it cannot accomodate daylight savings time and historical timezone changes.

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