> For the complete documentation index, see [llms.txt](https://help.hummingbird.co/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.hummingbird.co/notices/planned-maintenance-schedule.md).

# Planned Maintenance Schedule

Maintenance periods are necessary to ensure our system's optimal performance, reliability, and security. During the maintenance window, customers may experience a service disruption.

## Production Environment

| Date                                                        | Start time                                        | End time                                         |
| ----------------------------------------------------------- | ------------------------------------------------- | ------------------------------------------------ |
| <p><strong>\[CANCELLED]</strong></p><p>February 3, 2026</p> | <p>5:00 PM PST </p><p>(1:00 AM UTC next day)</p>  | <p>7:00 PM PST </p><p>(3:00 AM UTC next day)</p> |
| May 5, 2026                                                 | <p>5:00 PM PDT </p><p>(12:00 AM UTC next day)</p> | <p>7:00 PM PDT </p><p>(2:00 AM UTC next day)</p> |
| August 4, 2026                                              | <p>5:00 PM PDT </p><p>(12:00 AM UTC next day)</p> | <p>7:00 PM PDT </p><p>(2:00 AM UTC next day)</p> |
| November 3, 2026                                            | <p>5:00 PM PST </p><p>(1:00 AM UTC next day)</p>  | <p>7:00 PM PST </p><p>(3:00 AM UTC next day)</p> |

## Sandbox Environment

| Date             | Start time                                        | End time                                         |
| ---------------- | ------------------------------------------------- | ------------------------------------------------ |
| July 28, 2026    | <p>5:00 PM PDT </p><p>(12:00 AM UTC next day)</p> | <p>7:00 PM PDT </p><p>(2:00 AM UTC next day)</p> |
| October 27, 2026 | <p>5:00 PM PDT </p><p>(12:00 AM UTC next day)</p> | <p>7:00 PM PDT </p><p>(2:00 AM UTC next day)</p> |

*The above information regarding Hummingbird's upcoming maintenance windows is provided for planning purposes only and is subject to change at Hummingbird’s discretion.*