Live iCloud Calendar status. See if iCloud Calendar is down, view recent outages, and get real-time alerts when problems start.
iCloud Calendar is operational
IsDown pulls data from Apple's status page every few minutes and collects user-reported issues. Refresh the page to see if there are any updates.
This chart displays the number of user-reported issues over the past 24 hours, grouped into 20-minute intervals. It's normal to see occasional reports, which may be due to individual user issues rather than a broader problem. We only consider an issue widespread if there are multiple reports within a short timeframe.
IsDown has tracked 4 incidents for iCloud Calendar since started monitoring Apple status in December 2022. We collect data from 4400+ services, and normalize the data to give you a clear picture of the impact of the outage.
12 days ago · lasted about 4 hours
Some users may be experiencing issues with this service. - Some users are affected
3 months ago · lasted 24 minutes
Users may be experiencing a problem with this service. - Some users are affected
over 1 year ago · lasted about 4 hours
This service may be slow or unavailable. - Some users are affected
We've tracked and collected 4 incidents for iCloud Calendar since started monitoring Apple status
Lois
A change I made to the Calendar on my phone would not show up on my computer's Calendar. And now refreshing does no good, and I keep getting error messages (503).
raffa
all the events of this year have disappeared
jaeho
calendar alert not working
Gail
All my calendar events have disappeared
Antonis
Hello I can not add new events on my I phone calendar
Services commonly monitored together with Apple
iCloud Calendar isn't down. You can check iCloud Calendar status and incident details on the top of the page. IsDown continuously monitors iCloud Calendar official status page every few minutes. In the last 24 hours, there were 0 outages reported.
iCloud Calendar is currently operational. You can check iCloud Calendar status and incident details on the top of the page. The status is updated in almost real-time, and you can see the latest outages and issues affecting customers.
No, there is no ongoing official outage. Check on the top of the page if there are any reported problems by other users.
Currently there's no report of iCloud Calendar being slow. Check on the top of the page if there are any reported problems by other users.
IsDown monitors the iCloud Calendar official status page every few minutes. We also get reports from users like you. If there are enough reports about an outage, we'll show it on the top of the page.
iCloud Calendar last outage was on June 24, 2025 with the title "Outage in Apple Business Essentials, Apple Business Manager, Photos, iCloud Account & Sign In, iCloud Calendar, iCloud Contacts, iCloud Mail, iCloud Storage Upgrades, iCloud Web Apps (iCloud.com), iWork for iCloud"
IsDown and DownDetector help users determine if a service is having problems. The big difference is that IsDown is a status page aggregator. IsDown monitors a service's official status page to give our customers a more reliable source of information. The integration allows us to provide more details about the outage, like incident title, description, updates, and the parts of the affected service. Additionally, users can create internal status pages and set up notifications for all their third-party services.
