"Wed, 21 Aug 2024 04:38:57"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240821
Only TIME
04:38:57
General datetime
2024-08-21 04:38:57Z
For Database
2024-08-21 04:38:57
For HTTP1.1
Wed, 21 Aug 2024 04:38:57 GMT