"Mon, 01 Jul 2024 14:40:10"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240701
Only TIME
14:40:10
General datetime
2024-07-01 14:40:10Z
For Database
2024-07-01 14:40:10
For HTTP1.1
Mon, 01 Jul 2024 14:40:10 GMT