When is Karwa Chauth in 2025? The question on everyone’s mind this year – is Karwa Chauth on October 9 or 10? Puja Muhurat and Moonrise timingsThe most auspicious time for the Karwa Chauth Puja falls during the Pradosh Kaal, the period after sunset and before moonrise. The day before the festival, women apply mehndi (henna), a symbol of good fortune, and prepare for the rituals with festive attire, traditional songs, and prayers. The symbolism of the sieveOne of the most iconic aspects of Karwa Chauth is the ritual involving the sieve (chalni).