"Mon, 03 Jun 2024 13:06:44"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240603
Only TIME
13:06:44
General datetime
2024-06-03 13:06:44Z
For Database
2024-06-03 13:06:44
For HTTP1.1
Mon, 03 Jun 2024 13:06:44 GMT