Example · Remote team lead
Can ChatGPT know the time
You
What time is it now in Denver, Lisbon and Manila?
- now Returns the local date, time and offset for each city
Result
The current time in all three cities under one UTC instant.
Operations and field work
Can ChatGPT know the time?
Yes, when it checks. ChatGPT's code tool can read the real clock and convert it to your city, and web search works too. A time it states from memory can be wrong. A Timezone server answers with the real current time anywhere as one tool call.
ChatGPT can read the time with its code tool or web search, but a time it states from memory can be wrong. The Timezone server returns the current time in any place as one tool call.
What you get
Book a three-city call
Rachel Kim, account manager in New York working with London and Warsaw
| Tool call | What it did |
|---|---|
| find_meeting_slots | Ranks slots inside everyone's hours with a fairness score |
| ics_create | Writes a .ics file with the start stored in UTC |
Best slot: 10:00 New York, 15:00 London, 16:00 Warsaw (15:00 UTC). An .ics file path is returned, ready to attach to the email.
Free to start. Timezone Pro is $19 once. Free vs Pro
Without a tool, and with the tool
Without a tool
ChatGPT's code tool can read the real clock, and web search can find the current time. A time it states from memory can be wrong, and daylight saving changes trip it up.
With Timezone
The Timezone server gives the current time in one or more places, converts a time between zones with day changes marked, lists daylight saving changes and finds meeting slots inside everyone's working hours. To try it in ChatGPT on the web, where your plan or workspace allows custom MCP servers, get a free token at mcp.zovo.one/mcp/connect and add mcp.zovo.one/mcp/timezone/t/<token> as a server with No authentication. We haven't tested this in ChatGPT yet.
An example, from prompt to finished file
Example scenarios built on the real tools of Timezone. Names and amounts are invented.
Example · Rachel Kim, account manager in New York working with London and Warsaw
Book a three-city call
You
Find a 45-minute slot next week for me in New York, Oliver in London and Kasia in Warsaw, all 9 to 5 local. Then make the invite for the best one.
- find_meeting_slots Ranks slots inside everyone's hours with a fairness score
- ics_create Writes a .ics file with the start stored in UTC
Result
Best slot: 10:00 New York, 15:00 London, 16:00 Warsaw (15:00 UTC). An .ics file path is returned, ready to attach to the email.
About 15 min saved (estimate)
Example · James O'Neill, consultant in Dublin with a weekly client call in Chicago
Check a weekly call before the clocks change
You
Our call is 4pm Dublin every Tuesday. When do the clocks change in 2027 for Dublin and Chicago?
- dst_changes Lists the 2027 changes for Chicago: 14 March and 7 November
- dst_changes Lists the 2027 changes for Dublin: 28 March and 31 October
- convert_time Converts 16:00 Dublin to Chicago for a date between the changes
Result
From 14 to 28 March 2027 the gap is 5 hours, not 6, so the call is at 11:00 in Chicago instead of 10:00. James warns the client two weeks ahead.
About 10 min saved (estimate)
Every example here works on the free tier. One $39 key removes the limits on all of them. Pricing
Common mistakes with this job
- Trusting a time ChatGPT states from memory, without checking a clock.
- Forgetting that daylight saving starts on different dates in Europe and the US.
- Writing EST in winter and summer alike.
Connect in 1 minute
Paste one URL into Claude.ai, Claude Desktop, Cursor or VS Code. No install, no account.
1. Get a free token (30 days, 600 calls an hour)
curl -s -X POST https://mcp.zovo.one/mcp/token
2. Paste this URL as a custom connector
https://mcp.zovo.one/mcp/timezone/t/<token>
Or run it locally (Node.js 18+)
npx -y @theluckystrike/mcp-timezone
Free vs Pro for Timezone
| Free ($0, no key) | Pro ($19 once) |
|---|---|
| Meeting slots for up to 3 people | Meeting slots for more than 3 people |
| Slot search up to 5 days ahead | Searches longer than 5 days |
| 5 saved contacts | Unlimited saved contacts |
| 3 .ics files per month | Unlimited .ics files |
| Time conversion, overlap, DST and business days |
Where these limits come from
servers/timezone/src/index.ts:20-23, :336, :494, :569; https://mcp.zovo.one/s/timezone
Questions
Can ChatGPT know the time?
ChatGPT can read the time with its code tool or web search, but a time it states from memory can be wrong. The Timezone server returns the current time in any place as one tool call.
Does it include public holidays?
No. business_days has no holiday calendar. It excludes weekends and only the holiday dates you pass in.
Does it send the invite?
No. It writes a .ics file and returns its path. You attach or import it.
What hits the free limit first?
Usually a meeting with a fourth person, or a fourth .ics file in a month.
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