"Mon, 17 Jun 2024 19:12:18"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240617
Only TIME
19:12:18
General datetime
2024-06-17 19:12:18Z
For Database
2024-06-17 19:12:18
For HTTP1.1
Mon, 17 Jun 2024 19:12:18 GMT