"Mon, 10 Jun 2024 20:19:20"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240610
Only TIME
20:19:20
General datetime
2024-06-10 20:19:20Z
For Database
2024-06-10 20:19:20
For HTTP1.1
Mon, 10 Jun 2024 20:19:20 GMT