"Mon, 15 Jul 2024 04:44:55"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240715
Only TIME
04:44:55
General datetime
2024-07-15 04:44:55Z
For Database
2024-07-15 04:44:55
For HTTP1.1
Mon, 15 Jul 2024 04:44:55 GMT