"Sat, 23 Mar 2024 14:10:19"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240323
Only TIME
14:10:19
General datetime
2024-03-23 14:10:19Z
For Database
2024-03-23 14:10:19
For HTTP1.1
Sat, 23 Mar 2024 14:10:19 GMT