"Wed, 21 Aug 2024 21:40:06"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240821
Only TIME
21:40:06
General datetime
2024-08-21 21:40:06Z
For Database
2024-08-21 21:40:06
For HTTP1.1
Wed, 21 Aug 2024 21:40:06 GMT