Sade Teen Muhurat are considered as highly auspicious muhurtams as per Hindu Astrology. The Sade Teen Muhurats are – the first tithi of Shukla Paksha (bright half) in Chaitra month, 10th tithi or Dashami in Shukla paksha (bright half) of Ashwin month, Akshaya Tritiya, and the first tithi of Shukla Paksh in Kartika month.
The first day of Shukla Paksha in Chaitra mahina is celebrated as Gudi Padwa (Marathi New Year) or Ugadi (Telugu New Year and Kannada New Year), 10th tithi in Ashwin Shukla Paksha is Vijaya Dashami (Dasara or Dussehra), and the first day of Kartika Shukla Paksh is observed as Bestu Varsh (Gujarati New Year).
During these Sade Teen Muhurats, new businesses, gruhapravesh, and new constructions will be started. There will be no bad time for muhurats during these days.