"Sat, 11 May 2024 09:40:10"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240511
Only TIME
09:40:10
General datetime
2024-05-11 09:40:10Z
For Database
2024-05-11 09:40:10
For HTTP1.1
Sat, 11 May 2024 09:40:10 GMT