"Mon, 03 Jun 2024 19:17:20"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240603
Only TIME
19:17:20
General datetime
2024-06-03 19:17:20Z
For Database
2024-06-03 19:17:20
For HTTP1.1
Mon, 03 Jun 2024 19:17:20 GMT