"Mon, 03 Jun 2024 13:06:36"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240603
Only TIME
13:06:36
General datetime
2024-06-03 13:06:36Z
For Database
2024-06-03 13:06:36
For HTTP1.1
Mon, 03 Jun 2024 13:06:36 GMT