World Time Zone Map

Compare places and find working-hours overlap.

Planning from ChicagoCurrent

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© OpenStreetMap

UTC offset
UTC−12−8−5UTC+3+5:30+8+10+14

Business-hours overlapMon–Fri, 9 AM–5 PM local · 60 min

Shared UTC instant

24-hour availability

Local business hoursCommon overlap

  • ChicagoAmerica/Chicago
    Chicago business hours: 2026-10-12 09:00–2026-10-12 17:00.
  • LondonEurope/London
    London business hours: 2026-10-12 09:00–2026-10-12 17:00.
  • TokyoAsia/Tokyo
    Tokyo business hours: 2026-10-12 14:00–2026-10-12 17:00; 2026-10-13 09:00–2026-10-13 14:00.
  • SydneyAustralia/Sydney
    Sydney business hours: 2026-10-12 16:00–2026-10-12 17:00; 2026-10-13 09:00–2026-10-13 16:00.

Hover, tap, or focus this timeline to inspect every place's local time at one shared instant. Use arrow keys to move by 15 minutes; Home and End move to the day boundaries.

No common business-hours window in this reference day.

No 60-minute window fits everyone’s stated business hours.The best available compromise has 120 total minutes outside stated business hours.

  • Best available compromise

    ChicagoReference · Mon, Oct 12, 2026 · 9:30 PM–10:30 PM

    • ChicagoMon, Oct 12, 2026 · 9:30 PM–10:30 PM60 minutes outside stated business hours
    • LondonTue, Oct 13, 2026 · 3:30 AM–4:30 AM60 minutes outside stated business hours
    • TokyoTue, Oct 13, 2026 · 11:30 AM–12:30 PM
    • SydneyTue, Oct 13, 2026 · 1:30 PM–2:30 PM

Selected zone: Reykjavik (UTC). Planning reference: Chicago.