Unix Timestamp
0
Seconds since Jan 1, 1970 (Epoch)
Hex Time
#000000
Time in hexadecimal (HH:MM:SS)
Swatch Internet Time
@000
Decimal time (0-999 .beats)
Binary Time
00:00:00
Time in binary format
Metric Time
0.000
Decimal day (0.000-0.999)
ISO 8601
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International standard format