coreutils: Combined date and time of day items
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1 29.5 Combined date and time of day items
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1 The ISO 8601 date and time of day extended format consists of an ISO
1 8601 date, a âTâ character separator, and an ISO 8601 time of day. This
1 format is also recognized if the âTâ is replaced by a space.
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1 In this format, the time of day should use 24-hour notation.
1 Fractional seconds are allowed, with either comma or period preceding
1 the fraction. ISO 8601 fractional minutes and hours are not supported.
1 Typically, hosts support nanosecond timestamp resolution; excess
1 precision is silently discarded.
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1 Here are some examples:
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1 2012-09-24T20:02:00.052-05:00
1 2012-12-31T23:59:59,999999999+11:00
1 1970-01-01 00:00Z
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