| Kostroma Danby | Eastern Time | 07:00 |
| Kostroma Stafford Township | Eastern Time | 07:00 |
| Kostroma Virton | Central European Time | 01:00 |
| Kostroma Prai | Malaysia Time | -05:00 |
| Kostroma Old Town | Eastern Time | 07:00 |
| Kostroma Voorhees Township | Eastern Time | 07:00 |
| Kostroma Vouillé | Central European Time | 01:00 |
| Kostroma Brodick | United Kingdom Time | 02:00 |
| Kostroma Danmark | Central European Time | 01:00 |
| Kostroma Staines-upon-Thames | United Kingdom Time | 02:00 |
| Kostroma Virginia | Central Time | 08:00 |
| Kostroma Prai | Malaysia Time | -05:00 |
| Kostroma Oldbrook | United Kingdom Time | 02:00 |
| Kostroma Volterra | Central European Time | 01:00 |
| Kostroma Vouni | Eastern European Time | 00:00 |
| Kostroma Browns Plains | Eastern Australia Time | -07:00 |
| Kostroma Dumbrăvița | Eastern European Time | 00:00 |
| Kostroma Stadtsteinach | Central European Time | 01:00 |
| Kostroma West Chazy | Eastern Time | 07:00 |
| Kostroma Plainsboro Center | Eastern Time | 07:00 |
| Kostroma Old Basing | United Kingdom Time | 02:00 |
| Kostroma Yeniçiftlik | Turkey Time | 00:00 |
| Kostroma Unterseen | Central European Time | 01:00 |
| Kostroma Broussard | Central Time | 08:00 |
| Kostroma Dumfries | Eastern Time | 07:00 |
| Kostroma Stäfa | Central European Time | 01:00 |
| Kostroma West Columbia | Eastern Time | 07:00 |
| Kostroma Placerville | Pacific Time | 10:00 |
| Kostroma Okeechobee | Eastern Time | 07:00 |
| Kostroma Yenifoça | Turkey Time | 00:00 |
| Kostroma Unthank | United Kingdom Time | 02:00 |
| Kostroma Brooksville | Eastern Time | 07:00 |
| Kostroma Dulwich Hill | Eastern Australia Time | -07:00 |
| Kostroma Stephenville | Newfoundland Time | 05:30 |
| Kostroma West Cape May | Eastern Time | 07:00 |
| Kostroma Plaffeien | Central European Time | 01:00 |
| Kostroma Okehampton | United Kingdom Time | 02:00 |
| Kostroma Vostochny District | Moscow Time | 00:00 |
| Kostroma Urakawa | Japan Time | -06:00 |
| Kostroma Brookvale | Eastern Australia Time | -07:00 |
| Kostroma Dufftown | United Kingdom Time | 02:00 |
| Kostroma Stellarton | Atlantic Time | 06:00 |
| Kostroma West Bountiful | Mountain Time | 09:00 |
| Kostroma Prachatice | Central European Time | 01:00 |
| Kostroma Nanjo | Japan Time | -06:00 |
| Kostroma Vosselaar | Central European Time | 01:00 |
| Kostroma Upper Mount Gravatt | Eastern Australia Time | -07:00 |
| Kostroma Brookville | Eastern Time | 07:00 |
| Kostroma Duhamel | Eastern Time | 07:00 |
| Kostroma Te Anau | New Zealand Time | -09:00 |