November 4, 2021 through November 22, 2021 - System Maintenance

We are performing critical system upgrades during the following maintenance windows:

• No‍v ‍4 (Thur‍sday) -‍- 10‍AM - 12‍PM PD‍T
• N‍ov ‍9 (Tue‍sday) -‍- 10‍AM - 12‍PM PD‍T
• No‍v 1‍6 (Tues‍day) -‍- 10‍AM - 12‍PM P‍DT
• No‍v 2‍2 (Mon‍day) -‍- 10‍AM - 12‍PM PD‍T

The Udacity Classroom may be unavailable for a limited time during maintenance. You can track the progress of the upgrades in real-time at status.udacity.com, as they may be completed early.

We apologize for any inconvenience this may cause.