"Fri, 19 Apr 2024 18:41:21"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240419
Only TIME
18:41:21
General datetime
2024-04-19 18:41:21Z
For Database
2024-04-19 18:41:21
For HTTP1.1
Fri, 19 Apr 2024 18:41:21 GMT