"Wed, 21 Aug 2024 06:55:55"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240821
Only TIME
06:55:55
General datetime
2024-08-21 06:55:55Z
For Database
2024-08-21 06:55:55
For HTTP1.1
Wed, 21 Aug 2024 06:55:55 GMT