"Sat, 20 Apr 2024 12:35:25"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240420
Only TIME
12:35:25
General datetime
2024-04-20 12:35:25Z
For Database
2024-04-20 12:35:25
For HTTP1.1
Sat, 20 Apr 2024 12:35:25 GMT