"Mon, 29 Apr 2024 20:20:27"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240429
Only TIME
20:20:27
General datetime
2024-04-29 20:20:27Z
For Database
2024-04-29 20:20:27
For HTTP1.1
Mon, 29 Apr 2024 20:20:27 GMT