Today, 14 March 2012 is Shitala Saptami Vrat. It is observed in North Indian states like Rajasthan, Himachal Pradesh, Madhya Pradesh, Uttar Pradesh, Bihar, Jharkhand, Haryana, Punjab, Chhattisgarh, Uttarakhand, etc. Some people observe Shitala Pujan on Shitala Ashtami and others observe it on Shitla Saptami day. Shitla Saptami falls on Saptami in Krishna Paksha of Chaitra month in North Indian Hindi calendars.
On the day of Sheetala Saptami the house is cleaned and pooja is performed to the deity of Sheetala. On this day warm things are not eaten. The food is prepared the previous day and offered to Sheetala Mata and taken as prashad in cool form. Lot of water is splashed to the deity to make her cool.
Shitla Saptami (Shitla Satam) is observed during Sri Krishna Janmashtami festival in Gujarat.