"Mon, 29 Jul 2024 10:40:21"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240729
Only TIME
10:40:21
General datetime
2024-07-29 10:40:21Z
For Database
2024-07-29 10:40:21
For HTTP1.1
Mon, 29 Jul 2024 10:40:21 GMT