"Mon, 24 Jun 2024 23:45:55"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240624
Only TIME
23:45:55
General datetime
2024-06-24 23:45:55Z
For Database
2024-06-24 23:45:55
For HTTP1.1
Mon, 24 Jun 2024 23:45:55 GMT