How Many Hours Between 08:00 and 20:00?
There are exactly 12.00 hours between 08:00 and 20:00 (720 minutes / 43200 seconds).
Legal notes for this shift
Mandatory break
For 12:00 hours of attendance, at least 45 minutes of break must be deducted (§ 4 ArbZG: 30 min over 6 h, 45 min over 9 h).
Daily rest
After finishing at 20:00, an uninterrupted rest period of 11 hours is required (§ 5 ArbZG). The earliest permitted next start is 07:00.
Overtime
Net working time exceeds a standard 8-hour day by 3:30 hours. Whether this triggers an overtime premium depends on the employment or collective agreement.
Net Work Hours from 08:00 to 20:00 (after break)
As a work shift, 08:00–20:00 gives 11:30 net with a 30-minute break — that is 11.50 decimal hours for payroll.
Rest breaks are unpaid: a shift over 6 hours typically requires a 20–30 minute break that is deducted from paid time.
Timesheet — Zeit-Rechner.com
| Date | Start | End | Break | Net (h:mm) | Decimal |
|---|---|---|---|---|---|
| 08:00 | 20:00 | 30 min | 11:30 | 11.50 | |
Calculating the Duration from 08:00 to 20:00
There are 12 hours from 08:00 to 20:00. After a shift of this length many labour codes require a minimum consecutive rest period — 11 hours in the EU and UK — before the next shift may begin.
Legal & practical context for 08:00–20:00
Accurately tracking this 12-hour duration is essential for billing clients, validating timesheets and scheduling project resources. Whether you run flexible flextime or bill hourly consulting work, an automated calculator removes rounding errors. Always subtract unpaid rest breaks to stay compliant with local labour rules.
Frequently Asked Questions
Similar Time Ranges
Note: This calculator and its content offer general guidance based on the assumptions given and do not constitute legal advice. The applicable statute, collective agreement and employment contract prevail.