"Mon, 03 Jun 2024 16:09:20"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240603
Only TIME
16:09:20
General datetime
2024-06-03 16:09:20Z
For Database
2024-06-03 16:09:20
For HTTP1.1
Mon, 03 Jun 2024 16:09:20 GMT