"Thu, 18 Apr 2024 22:18:20"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240418
Only TIME
22:18:20
General datetime
2024-04-18 22:18:20Z
For Database
2024-04-18 22:18:20
For HTTP1.1
Thu, 18 Apr 2024 22:18:20 GMT