Convert a date and time from one time zone to another.
Yes. Offsets are read live from the IANA time zone database for the exact date and time you entered, so a zone that observes DST will show its correct seasonal offset rather than a fixed year-round one.
The Difference is simply the target zone's UTC offset minus the source zone's UTC offset at that specific instant. If either zone is mid-DST-transition or at a half-hour/45-minute offset, the difference can be a non-whole number.
If either the source or target zone observes daylight saving time, a note appears because that zone's offset shown here is only valid around the date you picked — the same zone can be a different UTC offset at other times of year.