| Mantua Staines-upon-Thames | United Kingdom Time | 01:00 |
| Mantua Strasburg | Eastern Time | 06:00 |
| Mantua Stadtsteinach | Central European Time | 00:00 |
| Mantua Strangford | United Kingdom Time | 01:00 |
| Mantua Stäfa | Central European Time | 00:00 |
| Mantua Střílky | Central European Time | 00:00 |
| Mantua Stafford Township | Eastern Time | 06:00 |
| Mantua Strömstad | Central European Time | 00:00 |
| Mantua Yorktown Heights | Eastern Time | 06:00 |
| Mantua Street | United Kingdom Time | 01:00 |
| Mantua Yoshinogari | Japan Time | -08:00 |
| Mantua Stratham | Eastern Time | 06:00 |
| Mantua Yoxford | United Kingdom Time | 01:00 |
| Mantua Sinaia | Eastern European Time | -01:00 |
| Mantua Youngsville | Central Time | 07:00 |
| Mantua Stevensville | Eastern Time | 06:00 |
| Mantua Yountville | Pacific Time | 09:00 |
| Mantua Stewiacke | Atlantic Time | 05:00 |
| Mantua Ypres | Central European Time | 00:00 |
| Mantua Stirling | Mountain Time | 08:00 |
| Mantua Yodogawa Ward | Japan Time | -08:00 |
| Mantua Stilton | United Kingdom Time | 01:00 |
| Mantua Stonington | Eastern Time | 06:00 |
| Mantua Stony Plain | Mountain Time | 08:00 |
| Mantua Stonyfell | Central Australia Time | -09:30 |
| Mantua Stone Harbor | Eastern Time | 06:00 |
| Mantua Stone Mountain | Eastern Time | 06:00 |
| Mantua Stonegate | United Kingdom Time | 01:00 |
| Mantua Simrishamn N | Central European Time | 00:00 |
| Mantua Simpang Renggam | Malaysia Time | -07:00 |
| Mantua Simpang Ampat | Malaysia Time | -07:00 |
| Mantua Silveira | Western European Time | 01:00 |
| Mantua Silverton | Pacific Time | 09:00 |
| Mantua Sikardarpur | India Standard Time | -04:30 |
| Mantua Sikkarimedu | India Standard Time | -04:30 |
| Mantua Silay City | Philippine Time | -07:00 |
| Mantua Signal Mountain | Eastern Time | 06:00 |
| Mantua Sigulda | Eastern European Time | -01:00 |
| Mantua Siheung-si | Korean Time | -08:00 |
| Mantua Tropea | Central European Time | 00:00 |
| Mantua Trowse Newton | United Kingdom Time | 01:00 |
| Mantua Tsukuba | Japan Time | -08:00 |
| Mantua Vera | Central European Time | 00:00 |
| Mantua Tuaran | Malaysia Time | -07:00 |
| Mantua Tuart Hill | Western Australia Time | -07:00 |
| Mantua Tubac | Mountain Time | 08:00 |
| Mantua Veytaux | Central European Time | 00:00 |
| Mantua Vézelay | Central European Time | 00:00 |
| Mantua Via Stroppari (alta) | Central European Time | 00:00 |
| Mantua Vescovato | Central European Time | 00:00 |