About 14 weeks
15th of September in Netherlands. other countries follow in the weeks after.
Saturday the 15th of September 2012.Saturday the 15th of September 2012.Saturday the 15th of September 2012.Saturday the 15th of September 2012.Saturday the 15th of September 2012.Saturday the 15th of September 2012.Saturday the 15th of September 2012.Saturday the 15th of September 2012.Saturday the 15th of September 2012.Saturday the 15th of September 2012.Saturday the 15th of September 2012.
Charles Darwin arrived to the Galapagos Islands on September 15th, 1835. He explored the Islands for a period of five weeks.
30 weeks and 4 days.
Friday, 15th September 2000.
September 15th 1981 was a Tuesday.
15th September 1995 was a Friday.
September 15th 1970 was a Tuesday.
15th September 1958 was a Monday.
September 15th, 1981 fell on a Tuesday.
September 15th, 1946 fell on a Sunday.
September 15th, 1980 fell on a Monday.