"Sat, 14 Dec 2024 15:27:04"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241214
Only TIME
15:27:04
General datetime
2024-12-14 15:27:04Z
For Database
2024-12-14 15:27:04
For HTTP1.1
Sat, 14 Dec 2024 15:27:04 GMT