GS Asst Architect PWD 02 -2025 The Ahom calendar has specific terms for years and months. A "Tao-singa" is a cycle of 65 years, and "Din-sip-sang" refers to a month. The Tungkhungia system calculated years differently, not specifically in terms of Tao-singa. "Dap-Ma" is not a year in Tao-singa.