"Sat, 27 Apr 2024 12:35:12"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240427
Only TIME
12:35:12
General datetime
2024-04-27 12:35:12Z
For Database
2024-04-27 12:35:12
For HTTP1.1
Sat, 27 Apr 2024 12:35:12 GMT