In Jain Dharma, there is no fixed festival called “Maun Ekadashi” (Mauna Ekadashi) as a Jain vrata. Mauna Ekadashi is a Hindu observance.

If you are asking about the Hindu Mauna Ekadashi/Mokshada Ekadashi in 2025:

• Tithi: Ekadashi on the Shukla Paksha of Margashirsha (Hindu calendar), observed as Mokshada Ekadashi.
• Date: December 1, 2025 (Ekadashi tithi begins the night before, November 30, 2025; ends on December 1, 2025).
• Parana (breaking the fast): December 2, 2025, in the morning to early for the vakit specified.

In Hindu practice this day is observed with fasting and devotion to Vishnu, and is also known as Mauna Ekadashi in many regions. If you want more details specific to Hindu observance dates, you can consult current Panchang or reliable Hindu calendar sources for 2025.