"Sat, 13 Jul 2024 13:39:38"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240713
Only TIME
13:39:38
General datetime
2024-07-13 13:39:38Z
For Database
2024-07-13 13:39:38
For HTTP1.1
Sat, 13 Jul 2024 13:39:38 GMT