"Sat, 20 Apr 2024 06:23:06"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240420
Only TIME
06:23:06
General datetime
2024-04-20 06:23:06Z
For Database
2024-04-20 06:23:06
For HTTP1.1
Sat, 20 Apr 2024 06:23:06 GMT