"Sat, 16 Mar 2024 06:23:44"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240316
Only TIME
06:23:44
General datetime
2024-03-16 06:23:44Z
For Database
2024-03-16 06:23:44
For HTTP1.1
Sat, 16 Mar 2024 06:23:44 GMT