"Mon, 29 Apr 2024 12:35:23"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240429
Only TIME
12:35:23
General datetime
2024-04-29 12:35:23Z
For Database
2024-04-29 12:35:23
For HTTP1.1
Mon, 29 Apr 2024 12:35:23 GMT