| Sirumalai Zhongshan | China Time | -02:30 |
| Sirumalai Warners Bay | Eastern Australia Time | -04:30 |
| Sirumalai Zofingen | Central European Time | 03:30 |
| Sirumalai Wasserburg am Inn | Central European Time | 03:30 |
| Sirumalai Zollikerberg | Central European Time | 03:30 |
| Sirumalai Waterford | Eastern Australia Time | -04:30 |
| Sirumalai Waterford Township | Eastern Time | 09:30 |
| Sirumalai Wasaga Beach | Eastern Time | 09:30 |
| Sirumalai Washington | Eastern Time | 09:30 |
| Sirumalai Washington | Eastern Time | 09:30 |
| Sirumalai Wasilla | Alaska Time | 13:30 |
| Sirumalai Watkins Glen | Eastern Time | 09:30 |
| Sirumalai Watkinsville | Eastern Time | 09:30 |
| Sirumalai Watertown | Eastern Time | 09:30 |
| Sirumalai Waterloo | United Kingdom Time | 04:30 |
| Sirumalai Yedthady | India Standard Time | 00:00 |
| Sirumalai Yasmine Hammamet | Central European Time | 04:30 |
| Sirumalai Yarine | Eastern European Time | 02:30 |
| Sirumalai Yarra Junction | Eastern Australia Time | -04:30 |
| Sirumalai Yarralumla | Eastern Australia Time | -04:30 |
| Sirumalai Yarraville | Eastern Australia Time | -04:30 |
| Sirumalai Watson | Eastern Australia Time | -04:30 |
| Sirumalai Wattwil | Central European Time | 03:30 |
| Sirumalai Waverley | Eastern Australia Time | -04:30 |
| Sirumalai Waupaca | Central Time | 10:30 |
| Sirumalai Wauchope | Eastern Australia Time | -04:30 |
| Sirumalai Wayne | Eastern Time | 09:30 |
| Sirumalai Wavre | Central European Time | 03:30 |
| Sirumalai Waynesville | Eastern Time | 09:30 |
| Sirumalai Wayville | Central Australia Time | -04:00 |
| Sirumalai Wayzata | Central Time | 10:30 |
| Sirumalai Weaverville | Pacific Time | 12:30 |
| Sirumalai Webbers Falls | Central Time | 10:30 |
| Sirumalai Webster | Central Time | 10:30 |
| Sirumalai Yanbian | China Time | -02:30 |
| Sirumalai Yandina | Eastern Australia Time | -04:30 |
| Sirumalai Yellow Springs | Eastern Time | 09:30 |
| Sirumalai Yemmiganur | India Standard Time | 00:00 |