Does this calculator exclude weekends?

Yes. Business hours mode skips Saturday and Sunday entirely, resuming the SLA clock on Monday morning.

Which holidays are excluded?

The calculator includes major public holidays for India and the US. You can also switch to calendar hours mode where no exclusions apply.

What's the difference between calendar hours and business hours?

Calendar hours counts every hour including nights, weekends, and holidays. Business hours (typically 9 AM–6 PM, Mon–Fri) only count working time.

SLA Deadline Calculator

Exact due date and time — weekends & holidays excluded automatically.

Stop manually counting hours. Enter your ticket creation time and SLA window, choose business or calendar hours, and get a precise deadline instantly.

Ticket Created At

SLA Window (hours)

Hour Mode

Holiday Region

How SLA Calculation Works

Business Hours mode advances the clock only during working hours (09:00–18:00, Monday–Friday), skipping nights, weekends, and public holidays. This reflects real-world SLA agreements in most corporate environments.

Calendar Hours mode counts every single hour including nights and weekends — useful for 24/7 support operations.

Example

Ticket created Friday 4:00 PM, SLA = 24 business hours. The clock runs 4–6 PM Friday (2h), then resumes Mon 9 AM. 22 remaining hours = Mon 7 PM → Deadline: Monday 7:00 PM.

FAQ

What holidays are included?

India: Republic Day, Holi, Independence Day, Gandhi Jayanti, Diwali, Christmas, and key national holidays. USA: New Year, MLK Day, Memorial Day, Independence Day, Labor Day, Thanksgiving, Christmas. Toggle to "No holidays" for pure weekday calculation.

Can I use this for ISO/ITIL SLAs?

Yes. This tool applies standard business-hours SLA logic consistent with ITIL incident management practices. Always verify against your organization's specific SLA contract language.

Disclaimer: This tool is for planning and informational purposes only. Holiday lists may not be exhaustive or match your jurisdiction exactly. Always verify deadlines against your actual SLA contract. Wolf Office Tools accepts no legal liability for missed SLAs or business decisions made based on these results. By using this site, you agree to our Terms & Conditions.

SLA Deadline Calculator

How SLA Calculation Works

Example

FAQ

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