"Sat, 27 Apr 2024 22:21:23"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240427
Only TIME
22:21:23
General datetime
2024-04-27 22:21:23Z
For Database
2024-04-27 22:21:23
For HTTP1.1
Sat, 27 Apr 2024 22:21:23 GMT