Ottawa is 5 hours ahead of Honolulu
Best overlap: 8:00 AM to 1:00 PM in Honolulu is 1:00 PM to 6:00 PM in Ottawa.
The hours that work for both Honolulu and Ottawa are 8:00 AM to 1:00 PM (Honolulu) and 1:00 PM to 6:00 PM (Ottawa). With about 5 hours of overlap, there's comfortable room for a daily stand-up — 8:00 AM in Honolulu / 1:00 PM in Ottawa works well. A quick caveat — Ottawa's clocks move for daylight saving and Honolulu's don't, so the times here are right for only part of the year.