For a period of 1 143 days, 4 times, beginning on October 2, 2021, kalender.nu was tested for availability. Kalender.nu returned a 200 status code 4 times out of analyses that was conducted, with the last one occurring on November 11, 2024. Inspecting kalender.nu as of November 19, 2024, revealed that no unavailability periods had occurred. Based on all the replies, as of November 19, 2024, no error status code has been returned. Kalender.nu's November 11, 2024, response was received in 0.251 seconds, contrasting its 0.327 seconds average response time.