Real-time cross-timezone synchronization overlay for Google Calendar
Users
9
0 in 30 days
Rating
5.0 / 5
unchanged in 30 days
Ratings
2
0 in 30 days
Store rank
#208K
#174K among extensions
Version
1.1.0
updated 30 Apr 2026
Users
monthly, 7 months
Latest, 21 Oct 2026:9 usersMove the mouse over the chart for any month
Ratings count
monthly, 7 months
Latest, 21 Oct 2026:2 ratingsMove the mouse over the chart for any month
The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.
About Calendar Timezone Sync
Detailed Description
SyncView Pro adds a real-time timezone overlay directly into Google Calendar. Simply hover over any time slot in Day or Week view to see the equivalent time in up to 3 additional timezones — displayed in a clean floating badge that follows your cursor.
FEATURES
- Dynamic sync line that follows your cursor across the calendar grid
- Floating badge showing your local time + up to 3 target timezones
- Color-coded timezone rows (green, orange, purple) for quick scanning
- Works in both Day and Week views; auto-disables in Month and Schedule views
- Searchable timezone picker with 400+ timezones and UTC offsets
- Master ON/OFF toggle to quickly enable or disable the overlay
- Fully DST-aware timezone conversions using the Intl API
PERFECT FOR
- Remote teams coordinating across time zones
- Scheduling international meetings without mental math
- Freelancers working with clients worldwide
- Anyone who checks "what time is it there?" multiple times a day
PRIVACY
- All settings are stored locally in your browser (chrome.storage.local)
- No data is collected, transmitted, or shared with any server
- No analytics, no tracking, no accounts required
- Open source — inspect every line of code
HOW TO USE
1. Install the extension
2. Click the SyncView Pro icon in your toolbar
3. Toggle "Enable overlay" ON
4. Add up to 3 target timezones using the searchable dropdown
5. Open Google Calendar in Day or Week view
6. Hover over the time grid — the sync line and badge appear instantly