User FAQs

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1) When did the default date system change from 1904 to 1900 for Excel for Mac ?
The 1900 date system became the default in Excel 2011 for Mac.
The Excel 2008 for Mac and earlier versions used a 1904 date system.

2) What are the 12 months of the year ?

3) How many days in a month ?
30 days in April, June, September and November
J = 31, M = 31, M = 31, J = 31, A = 31 O = 31, D = 31
F = 28/29, A = 30, J = 30, S = 30, N = 30

4) What is the 24 hour clock ?
This uses the hours 00:00 to 23:59
Where 00:00 is midnight and 12:00 is midday

5) What is AM ?
The time between midnight and midday.

6) What is PM ?
The time between midday and midnight.

7) What time is midday ?
12:00am

8) What time is midnight ?
12:00pm

9) How many different ways can you say 09:43 ?
43 minutes past 9
17 minutes to 10

10) How long since Michael left school ?
The time now is 4:15pm and he left school at 3:30pm.

11) What is Analogue time ?
The time written in words using a clock with hands.

12) Change "quarter to" time to digital ?

13) How many days in a year ?
365 days

14) How many days in a Leap Year ?
366 days
This type of year has an extra day and occurs once every 4 years.

15) How many days in February ?
There are 28 days in February but in a leap year there are 29.

16) How long is a fortnight ?
2 weeks / 14 days

17) How many weeks in a month ?
4 weeks

18) How many weeks in a year ?
52 weeks

19) How many years in a century ?
100 years

20) How many years in a millennium ?
1000 years

21) Lisa's birthday is on Monday 18 February. Forty four days later it is her mum's birthday. It is a leap year.
On which day of the week is Lisa's mum birthday ?

22) When is Guy Forks night / fireworks ?
5 November

23) If May 27 is a Wednesday, what is the date of the following Wednesday ?

24) Find the total times together ?
21 mins, 15 secs
17 mins, 39 secs
18 mins
25 mins, 20 secs

25) If I must arrive at school at 8:45am, when should I start my 25 minute journey ?