"Mon, 24 Jun 2024 21:30:27"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240624
Only TIME
21:30:27
General datetime
2024-06-24 21:30:27Z
For Database
2024-06-24 21:30:27
For HTTP1.1
Mon, 24 Jun 2024 21:30:27 GMT