"Sat, 27 Apr 2024 08:37:11"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240427
Only TIME
08:37:11
General datetime
2024-04-27 08:37:11Z
For Database
2024-04-27 08:37:11
For HTTP1.1
Sat, 27 Apr 2024 08:37:11 GMT