"Mon, 15 Jul 2024 21:06:49"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240715
Only TIME
21:06:49
General datetime
2024-07-15 21:06:49Z
For Database
2024-07-15 21:06:49
For HTTP1.1
Mon, 15 Jul 2024 21:06:49 GMT