"Sat, 27 Jul 2024 12:21:05"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240727
Only TIME
12:21:05
General datetime
2024-07-27 12:21:05Z
For Database
2024-07-27 12:21:05
For HTTP1.1
Sat, 27 Jul 2024 12:21:05 GMT