HappyZebra World Time Converter is a free, real-time time zone comparison tool. Add any city, country, timezone abbreviation (PST, EST, IST, GMT…) or UTC offset to instantly see the current local time and compare it with other locations worldwide. The built-in meeting planner colour-codes a 24-hour grid to show business hours, evenings and sleeping hours across all your selected zones — making it easy to find the perfect meeting time. Features include voice search, dark/light mode, calendar export (Google Calendar, Outlook, .ics), shareable URLs, saved location sets and DST change alerts.
Alternatively you can use the classic time difference calculator to compare time between two cities, countries or time zones.
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Add a LocationType any city, country, UTC offset or timezone abbreviation. Natural language works — try PST to Paris or time in Dallas and Tokyo.
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Voice SearchClick the microphone button and speak naturally — say "Tokyo", "PST to Paris to Seattle". Locations are extracted and added automatically.
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Reference CityThe first row is your reference. Click ☆ on any row to promote it. Drag ⠿ to reorder rows.
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Rename a LocationClick the ✎ icon next to any location name, or double-click the name. Type a custom label and press Enter.
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Display SettingsClick the ⚙ button (left of Add) to show/hide the timezone tag, UTC offset, DST badge, time difference, business hours badge and date. Changes are saved automatically.
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Colour Themes & Font SizeIn the ⚙ settings panel, choose from Light, Dark, Midnight, Forest or Sepia themes. Use A− / A+ to adjust the global font size. All preferences are saved in your browser.
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Date StripThe compact date strip above the table shows today and nearby dates. Click any date to preview times on that day. Click ↩ Live to return to real time.
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Time ScrubberDrag the slider to preview any hour of the day across all zones simultaneously. Day labels update correctly including +1/−1 day shifts.
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Groups (Tabs)A Default tab is created on first visit. Click + to add a new group. Double-click a tab to rename it. Switch groups by clicking tabs.
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Meeting PlannerColour-coded grid shows business hours across all zones. Click a cell for meeting start, another for end. Works with just one location too.
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Calendar ExportClick 📅 on any row or use the meeting range selector, then Add to Calendar for Google Calendar, Outlook and .ics links.
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OverlaysClick 🎛 Overlays in the Meeting Planner for Sunrise/Sunset bands, Stock Market hours, Forex hours, and Google Calendar busy slots.
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Share LinkActions → Share copies a URL with all locations pre-loaded. Anyone opening it sees the exact same view instantly.
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Saved SetsActions → Save Set saves the current locations under a name for one-click reload from the bar at the top of the page.
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Time AlertsActions → Set time alert triggers a browser notification when a specific time is reached in any zone.
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DST AlertsA warning banner appears automatically when any zone has a DST change within 14 days — so you're never caught out.
📣 Event Announcer
Create a shareable link that shows this event's time in every visitor's local timezone automatically.
Time until event
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✎ Rename Location
📅 Add to Calendar
💾 Save Location Set
💬 Copy for Slack / Email
🔔 Time Alert
Get a browser notification when a specific time is reached in any zone.
📆 Import from Google Calendar
Paste a Google Calendar event URL or .ics file URL to extract time zones, or add locations manually below.
Post your event with local times to social media. Your HappyZebra page link is included so recipients see times in their own timezone automatically.
Download a styled image showing all times — ready for Instagram Stories or Feed posts.