There are only 30 days in June, so there was no 31st. However, June 30th, 2006 fell on a Friday.
May 31, 2006 was a Wednesday.
31 October 2006 was a Tuesday.
August 31, 2006 fell on a Thursday.
Tuesday
The day that is directly before June 1 is May 31; however if you are referring to the day of week as of this year's upcoming May 31, then the day is Thursday.
Poseidon - 2006 was released on: Philippines: 10 May 2006 Thailand: 10 May 2006 Malaysia: 11 May 2006 Singapore: 11 May 2006 Bulgaria: 12 May 2006 Canada: 12 May 2006 India: 12 May 2006 USA: 12 May 2006 Taiwan: 26 May 2006 Egypt: 31 May 2006 Hong Kong: 31 May 2006 Kuwait: 31 May 2006 Netherlands: 31 May 2006 South Korea: 31 May 2006 Australia: 1 June 2006 Italy: 1 June 2006 Puerto Rico: 1 June 2006 UK: 1 June 2006 China: 2 June 2006 Iceland: 2 June 2006 Ireland: 2 June 2006 Mexico: 2 June 2006 Poland: 2 June 2006 Japan: 3 June 2006 Greece: 6 June 2006 France: 14 June 2006 Argentina: 15 June 2006 Israel: 15 June 2006 Estonia: 16 June 2006 Panama: 16 June 2006 Belgium: 21 June 2006 Hungary: 22 June 2006 Russia: 22 June 2006 Brazil: 23 June 2006 Kazakhstan: 23 June 2006 Turkey: 23 June 2006 Venezuela: 23 June 2006 Sweden: 26 June 2006 Denmark: 28 June 2006 Finland: 28 June 2006 Norway: 30 June 2006 Portugal: 6 July 2006 Germany: 12 July 2006 Croatia: 13 July 2006 Czech Republic: 13 July 2006 Austria: 14 July 2006 Spain: 26 July 2006
It was a Sunday, the first day of the week.
Wednesday
The day of the week that May 31, 1951 fell on was a Thursday.It was a Thursday.
May 31, 1932 was a Tuesday.
July 31, 1997 was a Thursday.
31 December 1980 was a Wednesday.