| Kostroma Blair Athol | Central Australia Time | -06:30 |
| Kostroma Gothenburg | Central Time | 08:00 |
| Kostroma Bedford | Western Australia Time | -05:00 |
| Kostroma Saint Leonards | Eastern Australia Time | -07:00 |
| Kostroma Bedford | Atlantic Time | 06:00 |
| Kostroma Prarostino | Central European Time | 01:00 |
| Kostroma Beckenham | Western Australia Time | -05:00 |
| Kostroma Southampton | Eastern Time | 07:00 |
| Kostroma Beckett Ridge | Eastern Time | 07:00 |
| Kostroma Gort | Ireland Time | 02:00 |
| Kostroma Beaconsfield | Eastern Australia Time | -07:00 |
| Kostroma Saint Leonards | United Kingdom Time | 02:00 |
| Kostroma Beaconsfield | United Kingdom Time | 02:00 |
| Kostroma Pimpalgaon Baswant | India Standard Time | -02:30 |
| Kostroma Beaufort | Eastern Australia Time | -07:00 |
| Kostroma Southern Pines | Eastern Time | 07:00 |
| Kostroma Beaufort | Eastern Time | 07:00 |
| Kostroma Gore | New Zealand Time | -09:00 |
| Kostroma Beachwood | Eastern Time | 07:00 |
| Kostroma Saint-Leonard | Eastern Time | 07:00 |
| Kostroma Baywood-Los Osos | Pacific Time | 10:00 |
| Kostroma Pillayarkuppam | India Standard Time | -02:30 |
| Kostroma Beaver Falls | Eastern Time | 07:00 |
| Kostroma Southgate | Eastern Australia Time | -07:00 |
| Kostroma Beauraing | Central European Time | 01:00 |
| Kostroma Fruitland Park | Eastern Time | 07:00 |
| Kostroma Beaumont | Mountain Time | 09:00 |
| Kostroma Saint Lucia | Eastern Australia Time | -07:00 |
| Kostroma Beaumont-Pied-de-Bœuf | Central European Time | 01:00 |
| Kostroma Pilot Butte | Central Time | 09:00 |
| Kostroma Bayswater | Western Australia Time | -05:00 |
| Kostroma Southington | Eastern Time | 07:00 |
| Kostroma Bayerisch Eisenstein | Central European Time | 01:00 |
| Kostroma Frostburg | Eastern Time | 07:00 |
| Kostroma Bayan Lepas | Malaysia Time | -05:00 |
| Kostroma Saint-Jean-de-l'Île-d'Orléans | Eastern Time | 07:00 |
| Kostroma Bayan Lepas | Malaysia Time | -05:00 |
| Kostroma Pilot Mountain | Eastern Time | 07:00 |
| Kostroma Butler | Eastern Time | 07:00 |
| Kostroma South Sioux City | Central Time | 08:00 |
| Kostroma Buttlar | Central European Time | 01:00 |
| Kostroma Göreme Belediyesi | Turkey Time | 00:00 |
| Kostroma Buttonwillow | Pacific Time | 10:00 |
| Kostroma Saint-Jean-de-Luz | Central European Time | 01:00 |
| Kostroma Butamwa | Central Africa Time | 01:00 |
| Kostroma Pinamar | Argentina Time | 06:00 |
| Kostroma Buscate | Central European Time | 01:00 |
| Kostroma South Yarra | Eastern Australia Time | -07:00 |
| Kostroma Burtonsville | Eastern Time | 07:00 |
| Kostroma Gorey | Ireland Time | 02:00 |