The date of Tihar falls in either in October or November (Kartik or Mangsir) each year, depending on the cycle of the moon. The Tihar festival actually runs for five days, beginning with Kaag Tihar, although the main celebrations (Laxmi Puja) happen on the third day of Tihar. Tihar always ends with Bhai Tika, fifth day of Tihar. Tihar in 2017 will start on Monday, the 19th of October and will continue for 3 days until Thursday, the 21st of November. The two days of Tihar often fall before the main day of Tihar, Laxmi Puja (19th October). According to Nepali Calendar, Tihar in 2074 (Laxmi Puja in 2074 B.S.) will start on Thursday, Kartik 02. Tihar is celebrated in late Ashwin (September–October) and ends in early Kartik (October–November).
Please note that the mentioned date above might not be exact. If you wish to see exact date and time, you can go through link tihar tika time 2073.
If you want to send free tihar sms wishes to your friends, you can send for free to NCELL and NTC. Tihar sms 2074 good wishes are mentioned here for you.