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hoursBetween() : Calculate Hours Between Dates

Calculate the number of hours between two datetimes. Returns a positive or negative number depending on whether the second datetime is after or before the first.

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Signature

hoursBetween(startDateTime, endDateTime)

Parameters

Parameter Type Required Description
startDateTime DateTime Yes The starting datetime
endDateTime DateTime Yes The ending datetime

Returns

Type: Number (Integer)

The number of hours between the two datetimes. Positive if endDateTime is after startDateTime, negative if before.

Examples

Calculate Hours Until Event

<p>Hours until meeting: {{hoursBetween(model.now, model.meetingTime)}}</p>

Data:

doc.Params["model"] = new {
    now = new DateTime(2024, 3, 15, 9, 0, 0),
    meetingTime = new DateTime(2024, 3, 15, 14, 30, 0)
};

Output:

<p>Hours until meeting: 5</p>

Shift Duration

<h3>Work Shift Report</h3>
{{#each model.shifts}}
  <p>{{this.employee}}: {{hoursBetween(this.clockIn, this.clockOut)}} hours</p>
{{/each}}

Data:

doc.Params["model"] = new {
    shifts = new[] {
        new {
            employee = "Alice",
            clockIn = new DateTime(2024, 3, 15, 8, 0, 0),
            clockOut = new DateTime(2024, 3, 15, 17, 0, 0)
        },
        new {
            employee = "Bob",
            clockIn = new DateTime(2024, 3, 15, 9, 0, 0),
            clockOut = new DateTime(2024, 3, 15, 18, 30, 0)
        }
    }
};

Output:

<h3>Work Shift Report</h3>
<p>Alice: 9 hours</p>
<p>Bob: 9 hours</p>

SLA Compliance

<p>Response time: {{hoursBetween(model.ticketCreated, model.firstResponse)}} hours</p>
<p>Status:
{{#if (hoursBetween(model.ticketCreated, model.firstResponse) <= model.slaHours)}}
  Within SLA
{{else}}
  SLA Breach
{{/if}}
</p>

Data:

doc.Params["model"] = new {
    ticketCreated = new DateTime(2024, 3, 15, 10, 0, 0),
    firstResponse = new DateTime(2024, 3, 15, 11, 30, 0),
    slaHours = 4
};

Output:

<p>Response time: 1 hours</p>
<p>Status: Within SLA</p>

Notes

  • Returns integer number of hours (fractional hours are truncated)
  • Positive result: endDateTime is after startDateTime
  • Negative result: endDateTime is before startDateTime
  • Includes both date and time components
  • For minute-level precision, use minutesBetween()
  • For day-level precision, use daysBetween()
  • For fractional hours, calculate using minutesBetween() / 60

See Also