"Thu, 16 May 2024 18:43:15"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240516
Only TIME
18:43:15
General datetime
2024-05-16 18:43:15Z
For Database
2024-05-16 18:43:15
For HTTP1.1
Thu, 16 May 2024 18:43:15 GMT