"Mon, 03 Jun 2024 14:50:35"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240603
Only TIME
14:50:35
General datetime
2024-06-03 14:50:35Z
For Database
2024-06-03 14:50:35
For HTTP1.1
Mon, 03 Jun 2024 14:50:35 GMT