Mother's Day is celebrated at different dates across the world, but some dates are more preferred than others. The most common date of Mother's day is the second Sunday of May, which, for 2011, falls on 8th of May. Along with United States of America, it is shared by Anguilla, Aruba, Albania, Australia, Austria, Bahamas, Bangladesh, Barbados, Belgium, Belize, Bermuda, Bonaire, Brazil, Brunei, Bulgaria, Canada, Chile, China, Colombia, Croatia, Cuba, Curaçao, Cyprus, Czech Republic, Denmark, Dominica, Ecuador, Estonia, Ethiopia, Fiji, Finland, Germany, Ghana, Greece, Grenada, Honduras, Hong Kong, Iceland, India, Italy, Jamaica, Japan, Latvia, Liechtenstein, Macao, Malaysia, Malta, Myanmar, Netherlands, New Zealand, Pakistan, Peru, Philippines, Puerto Rico, St. Lucia, Singapore, Slovakia, South Africa, South Korea, Sri Lanka, Suriname, Switzerland, Taiwan, Tanzania, Tonga, Trinidad and Tobago, Turkey, Uganda, Ukraine, Uruguay, Venezuela, Zambia, Zimbabwe.

However, other countries celebrate it on different dates. Here we give you a brief round up of mother's day celebration dates around the world. Feel free to write to use for any inclusions or corrections:

• February 13 - Norway
• March 3 - Georgia
• March 8 - Afghanistan, Albania, Armenia, Belarus, Bosnia and Herzegovina, Bulgaria, Kazakhstan, Laos, Macedonia, Montenegro, Romania, Russia, Serbia, Ukraine.
• March 14 - Ireland, Nigeria, United Kingdom
• March 21 (first day of spring) - Bahrain, Egypt, Iraq, Jordan, Kuwait, Lebanon, Libya, Oman, Palestinian Territories, Saudi Arabia, Sudan, Syria, United Arab Emirates, Yemen
• March 25 - Slovenia
• April 7 - Armenia
• May 1 (first Sunday in May) - Hungary, Lithuania, Portugal, Spain
• May 8 - Already listed above
• May 10 - El Salvador, Guatemala, Mexico
• May 26 - Poland
• May 27 - Bolivia
• May 29 (last Sunday in May) - Algeria, Dominican Republic, Haiti, Mauritius, Morocco, Sweden, Tunisia, France (France is the last Sunday in May except if it coincides with Pentecost day (50th day after lent), in which case it is shifted to the first Sunday in June)
• May 30 - Nicaragua
• June 12 (second Sunday in June) - Luxembourg
• June 26 (last Sunday in June) - Kenya
• August 12 - Thailand
• August 15 - Costa Rica, Antwerp (Belgium)
• October 10 (second Monday in October) - Malawi
• October 14 - Belarus
• October 16 (third Sunday in October) - Argentina
• December 8 - Panama
• December 22 - Indonedia

That would be all. Celebrate Happy Mother's day!