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Re: Represent NTP's origin time


From: Gregory Heytings
Subject: Re: Represent NTP's origin time
Date: Thu, 15 Apr 2021 08:22:29 +0000


NTP represents time stamps by counting seconds from January 1 1900, but my Emacs doesn't seem to be able to represent this:

    (encode-time (parse-time-string "1902-01-01T00:00-00:00"))
    => (-32745 59520)
    (encode-time (parse-time-string "1900-01-01T00:00-00:00"))
    => (error "Specified time is not representable")

Do we have some "standard" workaround?

Worksforme.

ELISP> (encode-time (parse-time-string "1900-01-01T00:00-00:00")) (-33707 33152)


Works for me, too:

(encode-time (parse-time-string "9999-01-01T00:00-00:00"))
(3866131 3584)

(encode-time (parse-time-string "0000-01-01T00:00-00:00"))
(-948597 33792)

(encode-time (parse-time-string "-9999-01-01T00:00-00:00"))
(-5763323 19328)



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