"Mon, 17 Jun 2024 20:19:55"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240617
Only TIME
20:19:55
General datetime
2024-06-17 20:19:55Z
For Database
2024-06-17 20:19:55
For HTTP1.1
Mon, 17 Jun 2024 20:19:55 GMT