"Sun, 26 Jan 2025 20:38:04"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250126
Only TIME
20:38:04
General datetime
2025-01-26 20:38:04Z
For Database
2025-01-26 20:38:04
For HTTP1.1
Sun, 26 Jan 2025 20:38:04 GMT