"Sat, 16 Mar 2024 22:16:51"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240316
Only TIME
22:16:51
General datetime
2024-03-16 22:16:51Z
For Database
2024-03-16 22:16:51
For HTTP1.1
Sat, 16 Mar 2024 22:16:51 GMT