"Mon, 17 Jun 2024 19:52:20"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240617
Only TIME
19:52:20
General datetime
2024-06-17 19:52:20Z
For Database
2024-06-17 19:52:20
For HTTP1.1
Mon, 17 Jun 2024 19:52:20 GMT