"Sat, 13 Jul 2024 14:44:15"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240713
Only TIME
14:44:15
General datetime
2024-07-13 14:44:15Z
For Database
2024-07-13 14:44:15
For HTTP1.1
Sat, 13 Jul 2024 14:44:15 GMT