Time Zone Converter – Frequently Asked Questions
General Questions
1. How does the time zone converter work?
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Our tool uses the IANA Time Zone Database (tzdb) to provide accurate conversions between any
two locations. It automatically:
- Calculates UTC offsets
- Applies daylight saving rules
- Adjusts for historical timezone changes
All calculations happen instantly in your browser.
2. Which locations are supported?
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We cover:
- 500+ major cities worldwide
- All countries and territories
- Every UTC offset from UTC-12 to UTC+14
- Special time zones (e.g., Nepal's UTC+5:45)
Conversion Features
3. How accurate are the conversions?
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100% precise, accounting for:
- Current daylight saving rules
- Historical timezone changes
- Leap seconds
- Local time ordinances
4. Can I convert future dates?
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Yes! The tool handles dates from 1900-2099 and automatically:
- Projects future DST changes
- Accounts for planned timezone adjustments
- Shows correct day/weekday
Daylight Saving Time
5. How does DST handling work?
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Our converter:
- Automatically detects DST-observing regions
- Applies correct UTC offsets during DST
- Shows clear DST indicators (e.g., EST vs EDT)
- Includes all historical DST changes
6. What about locations that don't use DST?
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We properly maintain standard time for:
- Most equatorial countries
- Arizona (except Navajo Nation)
- Parts of Australia
- Various other exceptions
Business Uses
7. How can teams use this effectively?
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Perfect for:
- Scheduling global meetings
- Planning shift handovers
- Coordinating deadlines
- Managing follow-the-sun support
8. Can I find overlapping business hours?
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Yes! Our meeting planner:
- Lets you input multiple locations
- Shows available overlap periods
- Accounts for local holidays
- Suggests optimal meeting times
Technical Questions
9. Is my location data stored?
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Never. We:
- Don't store search history
- Don't track your locations
- Process everything in your browser
- Offer completely private conversions
10. Does this work offline?
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Basic functionality remains available after initial load:
- Saved conversions still work
- Recently viewed time zones accessible
- Core calculation engine functions
Mobile Usage
11. Is there a mobile app?
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Our web app works perfectly on:
- iPhones and Android devices
- Tablets
- Mobile browsers
With full feature parity to desktop
12. How do I save frequent conversions?
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Three easy ways:
- Bookmark specific conversions
- Use browser "Add to Home Screen"
- Save as shareable links
Troubleshooting
13. Why does my conversion seem wrong?
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Rare discrepancies may occur when:
- Your device clock is incorrect
- Using very old browsers
- Checking during DST transition hours
Try refreshing or checking another time.
14. How often is timezone data updated?
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We update quarterly to include:
- New DST policies
- Geopolitical changes
- Timezone ordinance updates
Last update: June 2024
Advanced Features
15. Can I see time differences in hours?
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Yes! The tool displays:
- Total hour+minute differences
- Direction (ahead/behind)
- Day difference when applicable
16. Is there an API available?
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We offer enterprise-grade API access with:
- 99.9% uptime SLA
- Webhook support
- Bulk conversion capabilities
Contact sales for details.
Convert Time Zones Now – Free, instant, and private.