GeneralizedTime
Time format From Wikipedia, the free encyclopedia
A GeneralizedTime is a time format in the ASN.1 notation. It consists of a string value representing the calendar date, as defined in ISO 8601, a time of day with an optional fractional seconds element and the optional local time differential factor as defined in ISO 8601.
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In contrast to the UTCTime class of ASN.1 the GeneralizedTime uses a four-digit representation of the year to avoid possible ambiguity. Another difference is the possibility to encode time information of any wanted precision via the fractional seconds element.
Examples from ITU-T X.680:
"19851106210627.3" local time 6 minutes, 27.3 seconds after 9 pm on 6 November 1985. "19851106210627.3Z" coordinated universal time as above. "19851106210627.3-0500" local time as in the first example, with local time 5 hours retarded in relation to coordinated universal time.
ASN.1 also defines a DateAndTime time format widely used in SNMP, that includes separator characters and does not pad the fields (e.g., "1985-11-6,21:6:27.3,-5:0").
See also
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