"Sat, 27 Apr 2024 08:54:18"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240427
Only TIME
08:54:18
General datetime
2024-04-27 08:54:18Z
For Database
2024-04-27 08:54:18
For HTTP1.1
Sat, 27 Apr 2024 08:54:18 GMT