"Sun, 05 May 2024 14:37:38"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240505
Only TIME
14:37:38
General datetime
2024-05-05 14:37:38Z
For Database
2024-05-05 14:37:38
For HTTP1.1
Sun, 05 May 2024 14:37:38 GMT