"Mon, 29 Apr 2024 18:21:48"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240429
Only TIME
18:21:48
General datetime
2024-04-29 18:21:48Z
For Database
2024-04-29 18:21:48
For HTTP1.1
Mon, 29 Apr 2024 18:21:48 GMT