"Sat, 27 Apr 2024 08:37:13"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240427
Only TIME
08:37:13
General datetime
2024-04-27 08:37:13Z
For Database
2024-04-27 08:37:13
For HTTP1.1
Sat, 27 Apr 2024 08:37:13 GMT