"Sat, 23 Mar 2024 18:41:16"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240323
Only TIME
18:41:16
General datetime
2024-03-23 18:41:16Z
For Database
2024-03-23 18:41:16
For HTTP1.1
Sat, 23 Mar 2024 18:41:16 GMT