"Mon, 17 Jun 2024 16:16:35"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240617
Only TIME
16:16:35
General datetime
2024-06-17 16:16:35Z
For Database
2024-06-17 16:16:35
For HTTP1.1
Mon, 17 Jun 2024 16:16:35 GMT