How to Convert Event Times with Claude
Convert event times with Claude and ToolRouter. Show attendees the right time in their timezone.
Tool
Claude approaches timezone conversion as a reasoning problem, analyzing UTC offsets, daylight saving transitions, and business hour constraints across multiple regions simultaneously to find solutions that actually work for everyone involved. It evaluates trade-offs when perfect overlap is impossible, flags edge cases like upcoming DST transitions that will shift your meeting times, and explains clearly why a particular slot works or falls outside reasonable hours for specific participants.
Connect ToolRouter to Claude
1Go to Settings → Connectors → Add custom connector
2Enter the details below and click Add
Name
ToolRouterURL
https://api.toolrouter.com/mcp3Done — works on Claude chat, desktop, and mobile
Steps
Once connected (see setup above), use the Timezone Converter tool:
- Ask Claude: "Convert our webinar at 2pm EST to all major timezones"
- Claude returns the time in each attendee timezone
- Ask: "Format this as a timezone table for our event page"
Example Prompt
Try this with Claude using the Timezone Converter tool
Our conference keynote is at 10am PST on April 5. Convert to EST, GMT, CET, IST, JST, and AEST. Format as a table for the event page.
Tips
- Include UTC offset next to each timezone for absolute clarity
- Ask Claude to flag any timezone where the event falls outside business hours