"Sun, 26 Jan 2025 20:38:23"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250126
Only TIME
20:38:23
General datetime
2025-01-26 20:38:23Z
For Database
2025-01-26 20:38:23
For HTTP1.1
Sun, 26 Jan 2025 20:38:23 GMT