"Thu, 18 Apr 2024 18:43:42"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240418
Only TIME
18:43:42
General datetime
2024-04-18 18:43:42Z
For Database
2024-04-18 18:43:42
For HTTP1.1
Thu, 18 Apr 2024 18:43:42 GMT