"Sat, 27 Apr 2024 18:05:54"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240427
Only TIME
18:05:54
General datetime
2024-04-27 18:05:54Z
For Database
2024-04-27 18:05:54
For HTTP1.1
Sat, 27 Apr 2024 18:05:54 GMT