Calculate Time Past Sunset
Dec 11, 2007
I'm trying to calculate the total time past an arbitrary time. If my start time is 17:00 and end time is 21:00 and I select a 19:00 as sunset time, How do I calculate the time past 19:00.
the formula I been using, a2-a1, but that calculates the total time between 17:00 -21:00.
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Mar 22, 2012
Consider this code:
'light eligibility
Dim facb As String
Dim sunset As Variant
[color=green]' check if facility has lights[color]
facb = WorksheetFunction.VLookup(RID, ds, 10, False) 'find facility code
If WorksheetFunction.VLookup(facb, fac, 6, False) = "Y" Then 'facility has lights
sunset = WorksheetFunction.VLookup(tempws.Range("A9"), sun, 2, False) 'lookup the sunset time based on the record's date
[Code] ......
This code checks the need for lights at a facility.
It first checks to see if the facility even has lights by cross-referencing a value in the record with a facilities database.
If it has lights, it then checks to see if they are needed. If the rental goes past the sunset time, then it needs lights. Sunset is determined by cross-referencing the date value in sheet1! A9, with the sunset database.
If it needs lights, variable lghtson is calculated equal to "sunset"-30 minutes.
As I step through this code:
WorksheetFunction.VLookup(facb, fac, 6, False) = "Y" Facility has lights.
Check to see if lights are needed.
sunset = WorksheetFunction.VLookup(tempws.Range("A9"), sun, 2, False)
sunset=0.879166666666667 which is 9:06PM. This is a proper value from the lookup.
If rental_end.value > sunset Then
rental_end (value from textbox) = "9:30 pm" , sunset=0.879166666666667. This is true, and Excel accepts it as true ...
lghtson = sunset - 0.5
0.379166666666667 = 0.879166666666667 - 0.5 (9:06 AM)
This is not the value I was looking for. I was looking for 8:34PM (0.856944444444444)
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Mar 27, 2013
It is currently 11.40 AM. When I evaluate
Code:
?Now() > TimeSerial(11,30,0)
I get True.
However, when I evaluate
Code:
?Now() < TimeSerial(11,50,0)
I get False.
Why is this?
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Aug 17, 2007
Is there a method to calculate the total number of hours in excel. In my attached file, the excel treat the 24 hours as time and recalculate from 0 hour.
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Jun 7, 2014
I am a flight instructor and legally we cannot work more than 8 hours in any consecutive 24 hour period. I'm trying to create a spreadsheet that will calculate the totals from that 24 hour period for me.
Right now I have something that sort of works, but not the way I would like it. I have a column for "time" that has the date and ending time of the flight and I am using that as if the total flight occurred at one moment (the ending time).
So, for instance let's say I did these flights
1: 8AM-10AM (2 hours, clocked at 10AM)
2: 11AM - 2 PM (2 hours, clocked at 2PM)
3: 7AM-9AM the following day (2 hours, clocked at 9AM)
If I have my formula calculate the time for 9AM the following day (totaling the past 24 hours) the first flight won't be included in the calculation since the hours from that flight is only imputed at 10AM. The formula would read 4 hours rather than the (actual) 5 hours.
Here is my workbook : 8 hour calculator sample.xlsx
Here are the formulas I am using
The time is formulated at date and time, with time being the ending flight time
The start time for the calculation is
[Code]....
end time is just =NOW()
Total calculation is
[Code] .....
All I'm trying to do is use the totals under "flight start" and "flight end" instead of the end flight time I had to put in under the date column.
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Mar 8, 2014
production01.png
I am trying to figure a way to search for a cell that has a specific date and time range. There are several cell titles pending on the activity. I want to find a cell that has a time ** 7:30-15:30 , 15:31-17:30, 17:31-20:30. The end result is to calculate the activity between those time periods based on the data cells.
Example
If the date searched time field ** the activity ranges is 1635 I need to split the time and credit the activity time in the 730-1530 time and the rest on the 15:31-17:30 time
I have been able to do it on a single labor group based on time alone, but when I try to add the DATE to it my numbers go null. Eventually i will need to add 11 labor groups daily for weeks at a time .
Excel 2007
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Apr 27, 2014
Formula to calculate time allotted minus time used and show the difference in hour and minute.
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Aug 28, 2009
I am wanting to calculate the the processing time for an order that takes place within normal business hours and workweek. A normal day is from 8:00 to 5:00 If a task is started at 2:00 PM Monday and finished at 10:00 AM Tuesday then the result should be 5 hours as I do not want to include any time outside of normal hours. I can figure out how to subtract dates and times but not how to bridge a day(s). My data is somewhat flexible as I have not started the project yet. I can use separate cells for the times and dates or have two cells that use both incorporate the date and time (8/27/09 2:00 PM) for start and end time or any other idea.
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Jul 1, 2012
I have a problem here:
Eg.
A B C D E F G H I
1 8 pm 9 pm 10 pm 11 pm 12 am 1 am 2 am
2 8 pm 11 pm
3 8 pm 2 am
I typed a formula : =if(and(c$1>=$a2,d$1
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Jun 19, 2014
I have a userform that time stamps on my userform as soon as i open the form, is there a way that when I submit, that the amount of time that I was on the call to be put in my column on my worksheet as minutes?
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May 17, 2014
I found this formula similar to other formula
NETWORKDAYS(D1,F1)-1)*"18:00"-"9:00")+IF(NETWORKDAYS(F1,F1),MEDIAN(G1,"9:00","18:00"),"18:00")-MEDIAN(NETWORKDAYS(D1,D1)*E1,"9:00","18:00")
By the way ....D1 = start Date
F1 = End Date
E1 = start Time
G1 = End Time
It's GREAT! But now I need include time from 6:00 a. m. to 10:00 p. m. (I already modified your formula:
(NETWORKDAYS(D1,F1)-1)*("22:00"-"6:00")+IF(NETWORKDAYS(F1,F1),MEDIAN(G1,"6:00","22:00"),"22:00")-MEDIAN(NETWORKDAYS(D1,D1)*E1,"6:00","22:00")) because are regular working hours in Colombia but:
1. All the days (Monday to Saturday) are working days
2. I just want to calculate the time in shifts, I don't specify the start date and end date. Example: 8:00 p.m. to 11:00 p.m. Result: 2 hours, because 1 hour is after 10:00 p.m.
This are two different options, so I need two separate formulas.
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May 3, 2008
This may be a bit vague but here goes.
I have to calculate the difference between the start time and end time of a job. The only catch is, how can I avoid calculating "out of hours" time. So, if a job goes from 9am to 9am the next day, I want it to avoid calculating between the hours of 23:30 and 03:30.
Another example is if a job goes from 02:00 to 04:00, I want it to avoid the tim between 02:00 and 03:00.
If there is a difference in days, so the job goes overnight, how do I take that into consideration also.
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Aug 16, 2008
I've got a time difference from 8:00AM - 12:30PM as 4.30 I'm trying to get the minutes, .30, converted into a 6 minute increment, .5. Is it possible to do this and if so how would it be done? Below is a chart of how the time is converted from 6 minutes increments into decimal form.
6 = 0.1 36 = 0.6
12 = 0.2 42 = 0.7
18 = 0.3 48 = 0.8
24 = 0.4 54 = 0.9
30 = 0.5 60 = 1.0
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Aug 11, 2006
I'm trying to devise a formula to produce "days in inventory" based on the following data:
Date In
Date Out (which may be blank if cargo still here)
Todays Date
Days in Whse (which is the formula I can't figure out!)
It needs to work like this, date out - date in, unless date out is null. If date out is null, the result should be calculated based off of todays date - date in.
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Feb 7, 2014
the vendor has a 21 hr working window; start from 7am and goes until 4am; Mon to Fri.
Here is a scenario:
- i request for a product information from a vendor on 3-Feb-14 8:00am (Monday)
- he replies with all of the product info on 6-Feb-14 12:00pm (Thursday)
can you find the time in above scenario consideration the working window?
Here is another scenario:
- i request for a product information from a vendor on 6-Feb-14 8:00am (Thursday)
- he replies with all of the product info on 11-Feb-14 12:00pm (Tuesday)
- Sat & Sun are days off but keep in mind that my Friday shift ends on sat at 4am so the networdays formula wont work.
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Feb 5, 2009
I need to calculate the time spent replying to my inquiries: I log the time I receive my inquiry as: 06/02/2009 09:23:00 in column A. I log the time I send my reply as: 07/02/2009 07:23 in column B. In column C, I need to put the Formula that will return the following result: 0 days 22.0 hours.
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Aug 12, 2009
WHen I was a beginner at Excel, I came up with the following formula to calculate the time difference between two "time" values. Since I was too lazy to add a ":" between my hour and minute, I had decided to simply enter the start (column B) and end time (column C) as a military time (e.g., 0100, 1230, 1500, 1930, 2300, 2359). The following formula would be in Column D.
=IF(C7
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Aug 6, 2014
how to find the average times of two different sets of groups. There are the baseline times and intervention times. Both groups have three subtopics: Time Fell Asleep, Woke Up, and Duration (how many hours I slept). I am not sure how to find the average of each subtopic. Here are the times....
Baseline times:
Fell AsleepWoke UpDuration
2:30 AM10:00 AM7:30 hrs
4:30 AM12:30 PM8:00 hrs
[Code]....
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Jun 23, 2009
I have a problem with a time card i am producing. I want to count hours and minutes worked and carry forward any surplus or deficit into the next week. I can do it if the hours do not total more than 24. I have attached the file and it is formatted in 1904 format.
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Dec 12, 2009
I am staring at this excel spreadsheet blankly ... I am at a loss as to how to accomplish the detailed analasys but simple math this spreadsheet reequires.
The data consists of three columns pasted from a report that is exported as a .csv:
B
Code
C
Start Time
D
End Time
The following analyses must be made on each row:
1. determine if the start time falls within the scheduled shift
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Jul 14, 2010
I need to compute the total time in a userform.
I have a userform where:
1. User enters a start and end time Start1, End1 (23:00, 01:00)
2. The time difference is calculated and displayed in Total1 (2:00)
3. User enters Start2, End2 (22:00, 22:50)
4. Time difference calculated - display in Total2 (00:50)
5. Grand total of Total1, Total2 is displayed in GrandTotal (2:50)
The user will input the times as 0000 but I need to convert the entry into a time format. (User enters 1235 - I need it to covert to 12:35)
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May 15, 2012
I have a calendar. All months across the top, formatted as date mmm with content 1/2 2/1 3/1 4/1, etc. so the cells display Jan Feb Mar Apr, etc. All days down the side formatted as number displaying 1, 2, 3, 4, etc. All the days of the year are formatted as time h:mm.
I want to create a cell that shows me the total time for the last 14 days.
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Feb 17, 2013
I have 3 numbers:
1) Current Speed
2) Current Acceleration
3) Acceleration Growth
Assuming:
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Current Acceleration = 0.2 (each 'turn' the current speed will increase by this much)
Acceleration Growth = 0.2 (each 'turn', the current acceleration will grow by this much)
This gives a current speed over a series of 'turns' as
0.0 + 0.2 = 0.2
0.2 + 0.4 = 0.6
0.6 + 0.8 = 1.4
1.4 + 1.0 = 2.4
2.4 + 1.2 = 3.6
3.6 + 1.4 = 5.0
5.0 + 1.6 = 6.6
6.6 + 1.8 = 8.4
8.4 + 2.0 = 10.4
etc.
What I'd like to do is have a formula (or some way other than calculating each step) to tell me how many turns it would take for the Current Speed to =>X (example 100)
Basically, Turns to X speed = something clever * acceleration growth * something else very clever.
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Sep 3, 2009
I want to be able to calculate a due date two days from an entered date/time. If I input 9/3/2009 3:00 PM into cell F6 I would like cell G6 to display 9/5/2009 3:00 PM. The formula that I am currently using includes a holiday list so if the due date lands on a day within that list it gets pushed out.
My formula is =if(F6="","",Workday(F6,2,Z1:Z144)).
Basically when F6 gets populated G6 is supposed to populate with a due date of two days later (same time of the day). Currently if my input date/time is 9/3/2009 3:00 PM the formula is displaying a due date of 9/5/2009 12:00 AM.
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Mar 16, 2004
I need to find the average time it takes students to take exams . I use the following formula =text(end time - start time, "h:mm"). I am able to calculate the amount of time it takes a student to take the exam. Now I need a formula to calculate the average time students take to complete a test. I have over 80 times i need to average. Whenever i try a formula I keep getting 0.
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Jan 4, 2007
I have a sheet for tracking my poker playing online.
In column A I enter the start time as an Excel Dates & Times and in column B I enter the end time in the same format.
It could look something like this:
Start time End time
2007-01-03 18:20 2007-01-03 18:50
2007-01-03 18:30 2007-01-03 18:45
(Swedish date formatting)
This means I have been playing two tables simultaneously. Now I could get total time in "table hours" using SUM Formula:
=SUM(B:B)-SUM(A:A)
which in this case would result in 45 minutes.
But I also would like to calculate effective playing time so if I play 10 minutes on two tables simultaneously it will only count as 10 minutes and not 20 minutes.
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Apr 18, 2007
It is quicker and easier for me to enter times as whole numbers.
I tried to Catinate the number and enter the ":" in the middle. Example
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May 23, 2007
I thought this would be simple but I can't figure it out. I need to subtract the time between two cells. For example:
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Jun 3, 2007
I have data changes regularly (Say like tank level and we wil asume that at time 2:00 AM is the base , no matter what is the value) and I want to recored the that change every two minutes along with the time as list.
(i.e. if there is no change nothing will be recorded)
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Feb 18, 2008
I am trying to make an Excel formula to calculate the number of hours and minutes remaining before an entry expires. I am using the formula below
=B1-$A$1
No need for code tags on formulae
where B1= a due time of an item/task and A1= =now()
It should display the hours and minutes until the task is due but it is giving incorrect results.
E.G
now = 9:03
task is due = 12:00
result = -21:03
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