Honolulu is 5 hours behind Ottawa
Best overlap: 1:00 PM to 6:00 PM in Ottawa is 8:00 AM to 1:00 PM in Honolulu.
Your window to reach both cities is 1:00 PM to 6:00 PM in Ottawa, which converts to 8:00 AM to 1:00 PM in Honolulu. With about 5 hours of overlap, there's comfortable room for a daily stand-up — 1:00 PM in Ottawa / 8:00 AM in Honolulu works well. The difference isn't constant year-round: Ottawa adjusts for daylight saving while Honolulu holds steady.