"Mon, 01 Jul 2024 15:00:21"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240701
Only TIME
15:00:21
General datetime
2024-07-01 15:00:21Z
For Database
2024-07-01 15:00:21
For HTTP1.1
Mon, 01 Jul 2024 15:00:21 GMT