"Mon, 17 Jun 2024 06:18:37"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240617
Only TIME
06:18:37
General datetime
2024-06-17 06:18:37Z
For Database
2024-06-17 06:18:37
For HTTP1.1
Mon, 17 Jun 2024 06:18:37 GMT