"Sat, 28 Dec 2024 20:21:51"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241228
Only TIME
20:21:51
General datetime
2024-12-28 20:21:51Z
For Database
2024-12-28 20:21:51
For HTTP1.1
Sat, 28 Dec 2024 20:21:51 GMT