"Sun, 21 Jul 2024 12:13:02"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240721
Only TIME
12:13:02
General datetime
2024-07-21 12:13:02Z
For Database
2024-07-21 12:13:02
For HTTP1.1
Sun, 21 Jul 2024 12:13:02 GMT