"Sat, 15 Feb 2025 02:41:59"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250215
Only TIME
02:41:59
General datetime
2025-02-15 02:41:59Z
For Database
2025-02-15 02:41:59
For HTTP1.1
Sat, 15 Feb 2025 02:41:59 GMT