"Sat, 13 Jul 2024 14:33:39"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240713
Only TIME
14:33:39
General datetime
2024-07-13 14:33:39Z
For Database
2024-07-13 14:33:39
For HTTP1.1
Sat, 13 Jul 2024 14:33:39 GMT