Convert night work hours to day hours equivalent using factor 1.143 according to Bulgarian labor law.
Verified as of 31 Jul 2026see changes
Enter the number of night hours to convert
Day equivalent
9.14
22:00-06:00
8.00
Factor
× 1.143
Bonus hours
+1.14
Day equivalent
9.14
06:00-22:00 = 22:00-06:00 × 1.143
Night work is credited at a higher rate than day work. According to Bulgarian law, 7 hours of night work equals 8 hours of day work. This gives a factor of 8/7 = 1.143.
Legal Basis: Ordinance on the Structure and Organisation of Wages, Art. 9(2), under summarized working time, night hours are converted to day hours by the 8/7 = 1.143 factor. Night work is 22:00-06:00 (Labour Code, Art. 140).
Common values for reference
| 22:00-06:00 | Factor | Day equivalent | Bonus hours |
|---|---|---|---|
| 1 ч. | × 1.143 | 1.14 ч. | +0.14 ч. |
| 4 ч. | × 1.143 | 4.57 ч. | +0.57 ч. |
| 8 ч. | × 1.143 | 9.14 ч. | +1.14 ч. |
| 12 ч. | × 1.143 | 13.72 ч. | +1.72 ч. |
| 40 ч. | × 1.143 | 45.72 ч. | +5.72 ч. |
| 160 ч. | × 1.143 | 182.88 ч. | +22.88 ч. |
These calculations are for informational purposes only and do not constitute financial, tax, or legal advice. Consult a qualified professional for your specific situation.