Notes: All timings are represented in 24-hour notation in local time of Fairfield, United States with DST adjustment (if applicable).
Hours which are past midnight are suffixed with next day date. In Panchang day starts and ends with sunrise.
Sandhi Puja has special significance during Navratri Puja. It is done at the juncture when Ashtami Tithi ends and Navami Tithi starts. It is believed that Devi Chamunda was appeared during this time to kill demons Chanda and Munda.
Sandhi Puja prevails for two Ghatis which approximately lasts for 48 minutes. Sandhi Puja Muhurta might fall at any time during the day and Sandhi Puja is done during that time only.
You might also be interested in complete Shardiya Navratri Calendar and Durga Puja Calendar.