"Sat, 13 Jul 2024 13:21:16"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240713
Only TIME
13:21:16
General datetime
2024-07-13 13:21:16Z
For Database
2024-07-13 13:21:16
For HTTP1.1
Sat, 13 Jul 2024 13:21:16 GMT