Timeline 

This timeline is mainly made-up, but Shakespeare does dictate the passage of time and Ophelia's death must happen in the Spring. 

1.1 - February 11 - Monday - Midnight 
1.2 - February 11 - Monday - Afternoon 
1.3 - February 12 - Tuesday - Morning 
1.4 - February 13 - Wednesday - Around Midnight 
1.5 - February 13 - Wednesday - Early Morning 

2.1 - March 12 - Wednesday - Afternoon 
2.2 - March 12 - Wednesday - Late Afternoon 

3.1 - March 13 - Thursday - Afternoon 
3.2 - March 13 - Thursday - Evening 
3.3 - March 13 - Thursday - Late Night 
3.4 - March 13 - Thursday - Near Midnight 

4.1 - March 14 - Friday - Wee Hours 
4.2 - March 14 - Friday - Wee Hours
4.3 - March 14 - Friday - Wee Hours  
4.5 - March 17 - Tuesday - Afternoon 

5.1 - April 3 - Friday - Early Morning 
5.2 - April 3 - Friday - Afternoonish