Every year in the month of June & the last weekend of December. As per the query on the official website of CDA Data Analyst, the CDA Data Analyst certification exam is conducted twice a year in the month of June & the last weekend of December. The ninth CDA exam has been successfully concluded on December 30, 2022, this exam in the country's 23 test centers successfully, *** complete LEVEL1 Business Data Analyst, LEVEL2 Modeling Analyst, LEVEL2 Big Data Analyst, LEVEL3 Data Scientist, four subjects.