| Welch Ayden | Eastern Time | 00:00 |
| Welch Amory | Central Time | 01:00 |
| Welch Ayer Baloi | Malaysia Time | -13:00 |
| Welch Ampang | Malaysia Time | -13:00 |
| Welch Ayer Keroh | Malaysia Time | -13:00 |
| Welch Amorbach | Central European Time | -06:00 |
| Welch Ayer's Cliff | Eastern Time | 00:00 |
| Welch Ammon | Mountain Time | 02:00 |
| Welch Ayia Napa | Eastern European Time | -07:00 |
| Welch Bassecourt | Central European Time | -06:00 |
| Welch Bassendean | Western Australia Time | -13:00 |
| Welch Bass Hill | Eastern Australia Time | -16:00 |
| Welch Bastida | Central European Time | -06:00 |
| Welch Batam | Western Indonesia Time | -12:00 |
| Welch Bastrop | Central Time | 01:00 |
| Welch Bab El Assa | Central European Time | -06:00 |
| Welch Azzano Mella | Central European Time | -06:00 |
| Welch Ba | Fiji Time | -17:00 |
| Welch Azay-le-Rideau | Central European Time | -06:00 |
| Welch Azalea | Pacific Time | 03:00 |
| Welch Azambuja | Western European Time | -05:00 |
| Welch Batang Tiga | Malaysia Time | -13:00 |
| Welch Bath | Eastern Time | 00:00 |
| Welch Bathinda | India Standard Time | -10:30 |
| Welch Bathurst | Atlantic Time | -01:00 |
| Welch Battle | United Kingdom Time | -05:00 |
| Welch Bätterkinden | Central European Time | -06:00 |
| Welch Battery Point | Eastern Australia Time | -16:00 |
| Welch Batu Caves | Malaysia Time | -13:00 |
| Welch Batu Feringghi | Malaysia Time | -13:00 |
| Welch Batu Maung | Malaysia Time | -13:00 |
| Welch Bauru | Brasilia Time | -02:00 |
| Welch Bir Tam Tam | Western European Time | -06:00 |
| Welch Birch Run | Eastern Time | 00:00 |
| Welch Baxter | Central Time | 01:00 |
| Welch Bioggio | Central European Time | -06:00 |
| Welch Biougra | Western European Time | -06:00 |
| Welch Bir Ali Ben Khlifa | Central European Time | -06:00 |