"Mon, 29 Apr 2024 13:19:04"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240429
Only TIME
13:19:04
General datetime
2024-04-29 13:19:04Z
For Database
2024-04-29 13:19:04
For HTTP1.1
Mon, 29 Apr 2024 13:19:04 GMT