From 2019, JEE Main will be conducted bi-annually in the online mode. Aspirants can appear in either or both sessions of JEE Main, i.e., January and April. NTA has released JEE Main Exam Dates for both sessions at their official site. You can use your login credentials to see the complete exam schedule. JEE Main 2019 will take place between January 6 and 20, 2019 as well as April 6 and 20, 2019.
Note- Read the complete JEE Main exam pattern here.
The exam will be conducted across 273 exam centers across the country. You can choose upto 3 exam cities while filling the application form. After this, NTA will do its best to allot the exam center according to your preferences. However, there is no guarantee as it will be a random allotment by a computerized system. All the information related to JEE Main Exam dates will be printed on the admit card as well.