Time zone history, region by region
A BaZi or Purple Star chart is cast for where the sun was when you were born. Finding that moment starts with the clock: which offset it ran on that year. In each of these places, the clocks have changed.
| Region | Changes since 1900 | Today | Widest gap from today |
|---|---|---|---|
| Peninsular Malaysia | 8 | UTC+8 | 73 min |
| Singapore | 7 | UTC+8 | 65 min |
| Sabah and Sarawak | 18 | UTC+8 | 60 min |
| Hong Kong | 69 | UTC+8 | 60 min |
| Macau | 71 | UTC+8 | 120 min |
| China | 29 | UTC+8 | 60 min |
| Taiwan | 40 | UTC+8 | 60 min |
| Western Indonesia | 7 | UTC+7 | 120 min |
| The Philippines | 12 | UTC+8 | 60 min |
| Southern Vietnam | 8 | UTC+7 | 120 min |
| South Korea | 28 | UTC+9 | 60 min |