"Fri, 31 May 2024 14:47:47"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240531
Only TIME
14:47:47
General datetime
2024-05-31 14:47:47Z
For Database
2024-05-31 14:47:47
For HTTP1.1
Fri, 31 May 2024 14:47:47 GMT