Calzone

Calendar timezone proxy that just works.

Outlook exports calendars with Windows timezone names. Google Calendar expects IANA standard names. Calzone sits in between and translates—fixing the +1 hour offset issue.

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How It Works

1. You subscribe to your Outlook calendar via Calzone URL
2. Calzone fetches the calendar from Outlook
3. Converts Windows timezone names (e.g., Romance Standard Time) to IANA (e.g., Europe/Stockholm)
4. Returns the fixed calendar to Google

No data stored. No accounts required.

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Usage

Replace outlook.office365.com with calzone.mooracle.io in your calendar URL:

# Before
https://outlook.office365.com/owa/calendar/.../calendar.ics

# After
https://calzone.mooracle.io/owa/calendar/.../calendar.ics

Then add to Google Calendar:

1. Open Google Calendar
2. Click + next to "Other calendars"
3. Select From URL
4. Paste your calzone URL
5. Click Add calendar

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Deploy Your Own

Prerequisites

• Node.js 18+
• Cloudflare account (free tier works)

Setup

# Clone the repository
git clone https://github.com/mooracle/calzone.git
cd calzone

# Install dependencies
npm install

Deploy

# Login to Cloudflare (opens browser)
npx wrangler login

# Deploy to Cloudflare Workers
npm run deploy

After deployment, you'll get a URL like:

https://calzone.<your-account>.workers.dev

Custom Domain (Optional)

To use your own domain (e.g., calzone.yourdomain.com):

1. Go to Cloudflare Dashboard
2. Navigate to Workers & Pages
3. Click on calzone
4. Go to Settings → Domains & Routes
5. Click Add → Custom Domain
6. Enter your subdomain (e.g., calzone.yourdomain.com)
7. Click Add Custom Domain

Cloudflare handles DNS automatically if your domain is on Cloudflare.

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Configuration

Edit wrangler.toml to change the target host:

[vars]
TARGET_HOST = "outlook.office365.com"

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Timezone Mapping

Uses the official Unicode CLDR mapping—the same authoritative source used by operating systems worldwide. Supports 140+ Windows timezone identifiers.

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License

MIT

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Built by Mooracle