# Discussions

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## Calculating SLA Start Date

• #### 1.  Calculating SLA Start Date

Posted 01-18-2018 16:27
I am tracking SLA in my app, my problem is my start date needs to be figured by a time stamp and exclude weekends and holidays.  For example:  If the time stamp is before 12:00 PM it is the same day, after 12:00 pm start date should be next business day.  Help!  I feel that this should be a pretty easy formula but I have totally confused myself over the last two days.

• #### 2.  RE: Calculating SLA Start Date

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Contributor
Posted 01-18-2018 16:55
Hi Stacie,

Is this Time stamp an existing field? Then you just need to know the SLA based upon this existing Time Stamp field?

• #### 3.  RE: Calculating SLA Start Date

Posted 01-18-2018 18:55
yes, it is an existing field.  This will be my start date to determine my 3 day SLA, I need to be able to convert the Date, time stamp to just a date.  make sense?  For example:  1-5-17 11:05 AM would convert to 1-5-17 or 1-5-17 12:05 pm would convert to 1-8-17 for start date.  Need to convert time stamp to single day, excluding weekends and some holidays.

• #### 4.  RE: Calculating SLA Start Date

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Contributor
Posted 01-18-2018 19:24
The first part of checking against the time of day and then if it is before 12 PM setting the SLA to today or if it is after 12 PM setting the SLA to 3 week days in the future can be achieved using a formula like the one below:

Unfortunately, accounting for holidays is going to be much harder. Weekdays and Weekends are differentiated by Quick Base so a formula function like WeekdayAdd will adjust 3 days in the future skipping over weekends but holidays are not a set value in Quick Base. So the formulas will not know for example that 12/25 would be a holiday and should be skipped. Instead the formula logic would need to be hard coded with a reference for each possible holiday outcome and then given different logic. That would then need a new reference for each holiday going forward that would need to be added in. That or the table structure itself would need to be built out with a special table that helps to track and adjust for all holidays. These holidays would then also need to be put in for each year. The holidays aren't going to be as easy as the time check and weekday adjustment.

• #### 5.  RE: Calculating SLA Start Date

Posted 01-18-2018 21:35

i have my field set up with Date and Time, will this work or is better to add the time stamp field?

• #### 6.  RE: Calculating SLA Start Date

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Contributor
Posted 01-18-2018 21:45
Date/Time field works just fine with this. I just used the name Time Stamp as a stand in for the field.

• #### 7.  RE: Calculating SLA Start Date

Posted 01-22-2018 20:41
I keep getting an formula syntax error.  The following is the formula.

• #### 8.  RE: Calculating SLA Start Date

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Contributor
Posted 01-22-2018 20:44
Try the formula below. Looks like there is just one parenthesis too many. Let me know if the below formula works better

• #### 9.  RE: Calculating SLA Start Date

Posted 01-30-2018 22:38
Thank you!  Got this to work.  Now i need help with excluding Holidays.   Below is the formula to determine my SLA start date, now i need to exclude the Holidays.