"Mon, 17 Jun 2024 17:42:19"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240617
Only TIME
17:42:19
General datetime
2024-06-17 17:42:19Z
For Database
2024-06-17 17:42:19
For HTTP1.1
Mon, 17 Jun 2024 17:42:19 GMT