Time difference
live offsets & year-round charts.
Pick two cities to see the current gap, live clocks, a month-by-month DST view, and a full-day conversion grid. Every pair has a shareable URL—same layout as each deep link below.
Choose a pair
Jump from popular routes below or browse the meeting index when you need a niche combination.
Read offset + clocks
See who is ahead right now and how many hours separate the zones through the calendar year.
Use the 24h table
Map any hour in city A to city B for calls, handoffs, and calendar math without mental UTC.
London is 5h ahead of New York at this instant. DST transitions may change this through the year—open the pair page for the full breakdown.
Jump to a high-traffic city pair
Showing 12 curated pairs—there are 1,789 time-difference pages in total. Browse the full meeting-time index for every pair, triple-city planners, and best-time overlap routes.
Find a city pair
Search by city or country—each card opens live clocks, the DST month table, and the 24-hour grid for that route. Listed here: 1,789 pairs (catalog total 1,789). Showing 42 curated routes in the section above.
Best Time finds shared 9–5 windows; the converter handles EST↔IST style routes with preset dates.
Frequently asked questions
Live offsets, DST shifts through the year, sharing links, and when to use best-time or three-city planners instead.
Pick a city pair from the routes below—or search by city or country. Each pair page shows live clocks, the current hour gap, a month-by-month DST table, and a 24-hour conversion grid you can share with one URL.
Explore related pages
Nearby pair pages anchored to flagship cities, overlap suggestions, triple-city slots, and reference hubs—in one place after you pick a route above.