"Wed, 29 May 2024 20:19:38"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240529
Only TIME
20:19:38
General datetime
2024-05-29 20:19:38Z
For Database
2024-05-29 20:19:38
For HTTP1.1
Wed, 29 May 2024 20:19:38 GMT