Starting May 29, 2019, 123calendars.com's availability was tested 6 times over the following 2 134 day period. On 6 occasions throughout conducted checks, 123calendars.com operated successfully, affirming its most recent uptime on December 3, 2024, with a code 200. Tests conducted as of April 2, 2025, found no instances of 123calendars.com becoming inoperable. It has been confirmed by all replies received as of April 2, 2025, that there are none with an error status. The reported response time for 123calendars.com on December 3, 2024, was 0.831 seconds, compared to an average of 0.776 seconds.