Calendr

Build your event

Title

Start

End

All-day Safe UTC mode (recommended) Timezone: —

IANA timezone

Auto-detected; change if needed

Location (optional)

Description (optional)

Everything runs locally in your browser.

IANA timezone

Applied to all rows (use UTC toggle in Export)

Paste rows

Columns: Title, Start, End, Location, Description. Accepts CSV or tab-separated. Header row optional.

Creates one calendar file with multiple events.

IANA timezone

Understands simple patterns

Describe your event(s)

Examples: “Tue 9–10am weekly for 6 weeks, 123 Queen St, Staff training” · “Fri 6pm–9pm 2025-10-03, Gala @ Town Hall”.

0 events Mode: Single

Write times in UTC (adds “Z”) Write “floating” with TZID

For broad compatibility, keep UTC on. If you prefer local wall-times, turn off UTC and enable TZID.

Calendar name (X-WR-CALNAME)

ICS contents

One-click links (single event)

Add to Google Outlook.com Outlook 365

For multi-event, share the .ics file instead.

Hosted .ics URL (optional)

Used in email buttons & Apple Calendar (webcal://)

Email-friendly buttons (HTML)

Tip: host the .ics at your domain and use a webcal:// URL for Apple Calendar prompts (e.g. webcal://applescoop.org/events.ics).