The Netherlands is located in the Central European Timezone. This implies that the time difference with EST is +6 hours and with PST +9 hours. 

Daylight saving period
During daylight saving time clocks are turned forward one hour. 

Daylight saving period 2006: starts on March 26 and ends on October 29. 
Daylight saving period 2007: starts on March 25 and ends on October 28. 
Daylight saving period 2008: starts on March 30 and ends on October 26. 
Daylight saving period 2009: starts on March 29 and ends on October 25. 
Daylight saving period 2010: starts on March 28 and ends on October 31. 
Daylight saving period 2011: starts on March 27 and ends on October 30.