"Mon, 03 Jun 2024 14:37:40"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240603
Only TIME
14:37:40
General datetime
2024-06-03 14:37:40Z
For Database
2024-06-03 14:37:40
For HTTP1.1
Mon, 03 Jun 2024 14:37:40 GMT