 |
| Subject | English | Bulgarian |
| comp., MS | time zone | часова зона (A geographical area that observes the same local time. The local time has a positive, zero, or negative offset from Coordinated Universal Time (UTC). The offset can be different during standard time and daylight saving time) |
| construct. | time zone | часов пояс |
| insur. | zone time | поясно време (алешаBG) |