"Fri, 15 Mar 2024 18:41:51"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240315
Only TIME
18:41:51
General datetime
2024-03-15 18:41:51Z
For Database
2024-03-15 18:41:51
For HTTP1.1
Fri, 15 Mar 2024 18:41:51 GMT