"Tue, 13 Aug 2024 15:29:37"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240813
Only TIME
15:29:37
General datetime
2024-08-13 15:29:37Z
For Database
2024-08-13 15:29:37
For HTTP1.1
Tue, 13 Aug 2024 15:29:37 GMT