"Sat, 09 Mar 2024 06:23:20"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240309
Only TIME
06:23:20
General datetime
2024-03-09 06:23:20Z
For Database
2024-03-09 06:23:20
For HTTP1.1
Sat, 09 Mar 2024 06:23:20 GMT