# How do I find the difference between two dates in SOQL query?

## How do I find the difference between two dates in SOQL query?

You can use the following SOQL query to retrieve opportunities between two dates:

- Select o.CreatedDate, o.Id, o.LastModifiedDate.
- from Opportunity o.
- where o.CreatedDate > 2011-01-01T00:00:00Z and o.CreatedDate < 2011-12-31T00:00:00Z.

## How do I find the difference between two dates in Salesforce?

To find the difference between two Date values as a number, subtract one from the other like so: date_1 — date_2 to return the difference in days.

**Can you subtract dates in Salesforce?**

Use addition and subtraction operators with date or date/time fields to calculate duration. For example, subtract a date from another date to calculate the number of days between the two. Likewise, you can subtract the date/time from another date/time to get the number of days between the two as a number.

**How do I query a Date field in SOQL?**

In a SOQL query, you can specify either a particular date or a date literal….Date Formats.

Format | Format Syntax | Example |
---|---|---|

Date only | YYYY-MM-DD | 1999-01-01 |

Date, time, and time zone offset | YYYY-MM-DDThh:mm:ss+hh:mm YYYY-MM-DDThh:mm:ss-hh:mm YYYY-MM-DDThh:mm:ssZ | 1999-01-01T23:01:01+01:00 1999-01-01T23:01:01-08:00 1999-01-01T23:01:01Z |

### How do I compare two datetime fields in Salesforce?

If you want to compare Date-Times as Dates, just use prevStartDat. Date() and currStartDate. Date() to convert them to Date values.

### How do I subtract datetime in Salesforce?

Add or subtract hours from a Date/Time field

- Add N hours to a date/time field: Datetimefield__c + (N/24)
- Subtract N hours to a date/time field: Datetimefield__c – (N/24) You can use these functions in a formula when converting a GMT value to another timezone.
- Notes:

**How do you calculate difference?**

To calculate the percentage difference between two numbers, a and b , perform the following calculations:

- Find the absolute difference between two numbers: |a – b|
- Find the average of those two numbers: (a + b) / 2.
- Divide the difference by the average: |a – b| / ((a + b) / 2)

**How do you calculate the difference in months between two dates?**

Get months between dates

- =DATEDIF(B5,C5,”m”)
- =DATEDIF(start_date,end_date+15,”m”)
- =YEARFRAC(start,end)*12.
- =(YEAR(end)-YEAR(start))*12+MONTH(end)-MONTH(start)
- (YEAR(end)-YEAR(start))*12 // months due to year change.
- MONTH(end)-MONTH(start) // month change only.

#### How do I calculate months between two dates in Salesforce?

To find the number of months between two dates, subtract the year of the earlier date from the year of the later date and multiply the difference by 12.

#### How do I convert DateTime to date in SOQL?

Follow these steps -: 1. DateTime dt = System. now() 2. Date extactedDate= dt.

**What is Last_n_days in SOQL?**

For the number n provided, starts 00:00:00 of the current day and continues for the past n days. It includes today also. Sample SOQL: SELECT Id FROM Account WHERE CreatedDate = LAST_N_DAYS:365.

**How do I extract Date from datetime in Salesforce?**

Use the DATEVALUE( date/time ) function to return the Date value of a Date/Time. For example, to get the year from a Date/Time, use YEAR( DATEVALUE( date/time ) ) ) . You can convert a Date value to a Date/Time using the DATETIMEVALUE( date ) function.

## How do I calculate the number of months between two dates in Salesforce?

## How do you find difference between two numbers?

To find the difference between two numbers, subtract the number with the smallest value from the number with the largest value. The product of this sum is the difference between the two numbers. Therefore the difference between 45 and 100 is 55.

**How do I calculate change?**

Percentage Change | Increase and Decrease

- First: work out the difference (increase) between the two numbers you are comparing.
- Increase = New Number – Original Number.
- Then: divide the increase by the original number and multiply the answer by 100.
- % increase = Increase ÷ Original Number × 100.

**How do I get months between two dates in SQL?**

SQL Query 2

- DECLARE.
- @start DATE = ‘20120201’
- , @end DATE = ‘20120405’
- ;WITH Numbers (Number) AS.
- (SELECT ROW_NUMBER() OVER (ORDER BY OBJECT_ID) FROM sys.all_objects)
- SELECT DATENAME(MONTH,DATEADD(MONTH, Number – 1, @start)) Name,MONTH(DATEADD(MONTH, Number – 1, @start)) MonthId.
- FROM Numbers.

### How do I use Timevalue in Salesforce?

To convert a string to a Date/Time value, use DATETIMEVALUE() passing in a string in the format “YYYY-MM-DD HH:MM:SS”. This method returns the Date/Time value in GMT. This function returns the time in the format “HH:MM:SS.MS”. Date and Date/Time values are stored in GMT.

### How do I use a date field in SOQL?

Date Formats and Date Literals: The syntax for this is: YYYY-MM-DD. In order to query a date or dateTime field, you may need to turn on formula mode if you are not using it already. This is needed to convert your timestamp to the ISO8601 format expected in SOQL.

**How do I extract date from DateTime in Salesforce?**