Dhanteras, also known as Dhanatrayodashi or Dhanvantari Trayodashi, marks the beginning of the five-day festival of Diwali.
On this day, devotees worship goddess Lakshmi and Lord Kubera, the God of wealth and celebrate the festival by buying something made of metal like jewellery, coins of gold or silver or household items made of iron, copper or brass.
Lakshmi Puja should be done during Pradosh Kaal which begins after sunset and approximately lasts for 2 hours and 24 minutes.
Here are the muhurat timings for Dhanteras 2017:
Dhanteras Puja Muhurta - 7:19 PM to 8:17 PM
Duration - 0 hours 58 minutes
Pradosh Kaal - 5:45 PM to 8:17 PM
Vrishabha Kaal - 7:19 PM to 9:14 PM
Trayodashi Tithi Starts - 12:26 AM (midnight) on October 17
Trayodashi Tithi Ends - 12:08 AM (midnight) on October 18