http://www.torah.org/learning/yomtov/calendar/5765.html

Year 5765 / 2004-2005
Yom Tov/Holiday	Hebrew Date	English Date
Rosh Hashana (2 days) Melacha* is prohibited	Tishrei 1-2, 5765	September 16-17, 2004
Fast of Gedalia Melacha* is permitted	Tishrei 4, 5765	September 19, 2004
Yom Kippur Melacha* is prohibited	Tishrei 10, 5765	September 25, 2004
Succos (6 days) Melacha* is prohibited on the first 2 days	Tishrei 15-20, 5765	Septemer 30-October 5, 2004
Hoshana Rabba Melacha* is permitted	Tishrei 21, 5765	October 6, 2004
Shemini Atzeres Melacha* is prohibited	Tishrei 22, 5765	October 7, 2004
Simchas Torah Melacha* is prohibited	Tishrei 23, 5765	October 8, 2004
Chanuka (8 days) Melacha* is permitted	Kislev 25 - Teves 3, 5765	December 8-15, 2004
Fast of 10th of Teves Melacha* is permitted	Teves 10, 5765	December 22, 2004
Tu B'Shvat Melacha* is permitted	Shvat 15, 5765	January 25, 2005
Fast of Esther Melacha* is permitted	Adar 13, 5765	March 24, 2005
Purim Melacha* is permitted	Adar 14, 5765	March 25, 2005
Passover (8 days) Melacha* is prohibited on first and last 2 days	Nissan 15-22, 5765	April 24-May 1, 2005
Holocaust Day Melacha* is permitted	Nissan 27, 5765	May 6, 2005
Israel Independence Day Melacha* is permitted	Iyar 3, 5765	May 12, 2005
Lag B'Omer Melacha* is permitted	Iyar 18, 5765	May 27, 2005
Yom Yerushalayim Melacha* is permitted	Iyar 28, 5765	June 6, 2005
Shavuos (2 days) Melacha* is prohibited	Sivan 6-7, 5765	June 13-14, 2005
Fast of 17th of Tamuz Melacha* is permitted	Tamuz 17, 5765	July 24, 2005
Fast of Tisha B'Av Melacha* is permitted	Av 9, 5765	August 14, 2005

* Melacha - (lit: constructive work) activities prohibited by Torah Law on the Sabbath and Holidays.