"Fri, 19 Apr 2024 18:21:57"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240419
Only TIME
18:21:57
General datetime
2024-04-19 18:21:57Z
For Database
2024-04-19 18:21:57
For HTTP1.1
Fri, 19 Apr 2024 18:21:57 GMT