"Fri, 27 Dec 2024 19:40:03"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241227
Only TIME
19:40:03
General datetime
2024-12-27 19:40:03Z
For Database
2024-12-27 19:40:03
For HTTP1.1
Fri, 27 Dec 2024 19:40:03 GMT