"Sat, 13 Jul 2024 15:43:13"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240713
Only TIME
15:43:13
General datetime
2024-07-13 15:43:13Z
For Database
2024-07-13 15:43:13
For HTTP1.1
Sat, 13 Jul 2024 15:43:13 GMT