"Wed, 21 Aug 2024 15:51:55"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240821
Only TIME
15:51:55
General datetime
2024-08-21 15:51:55Z
For Database
2024-08-21 15:51:55
For HTTP1.1
Wed, 21 Aug 2024 15:51:55 GMT