"Thu, 23 May 2024 18:54:04"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240523
Only TIME
18:54:04
General datetime
2024-05-23 18:54:04Z
For Database
2024-05-23 18:54:04
For HTTP1.1
Thu, 23 May 2024 18:54:04 GMT