"Sat, 28 Dec 2024 15:27:55"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241228
Only TIME
15:27:55
General datetime
2024-12-28 15:27:55Z
For Database
2024-12-28 15:27:55
For HTTP1.1
Sat, 28 Dec 2024 15:27:55 GMT