July 21, 2026 · Sliven, Bulgaria
Sunset in Sliven today is at 20:48. Day length is 14h 52m. See below for sunrise, solar noon, dawn and dusk — all times calculated astronomically for Sliven's coordinates and updated daily.
Sliven lies at 43°N. At this latitude, day length varies moderately — from around 10 hours in midwinter to 14–15 hours in midsummer.
Sunset shifts later through spring and earlier through autumn — changing fastest near the equinoxes and slowest near the summer and winter solstices. See the year chart to visualise how sunset times shift month by month for Sliven.
The longest day in Sliven is around 15h 19m (around June 21). The shortest is around 9h 2m (around December 21). Days are currently getting shorter — losing about 2 minutes per day.
| Month | Sunset | Sunrise | Day length |
|---|---|---|---|
| January | 17:06 | 07:43 | 9h 23m |
| February | 17:46 | 07:13 | 10h 33m |
| March | 18:21 | 06:28 | 11h 53m |
| April | 19:56 | 06:34 | 13h 22m |
| May | 20:30 | 05:54 | 14h 37m |
| June | 20:55 | 05:37 | 15h 18m |
| July | 20:52 | 05:50 | 15h 1m |
| August | 20:19 | 06:22 | 13h 57m |
| September | 19:27 | 06:55 | 12h 32m |
| October | 18:34 | 07:28 | 11h 6m |
| November | 16:54 | 07:07 | 9h 47m |
| December | 16:42 | 07:39 | 9h 4m |