"Sat, 27 Apr 2024 13:18:57"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240427
Only TIME
13:18:57
General datetime
2024-04-27 13:18:57Z
For Database
2024-04-27 13:18:57
For HTTP1.1
Sat, 27 Apr 2024 13:18:57 GMT