- Irish Standard Time ↔ Greenwich Mean Time
- Irish Standard Time ↔ Eastern Standard Time
- Irish Standard Time ↔ Central Standard Time
- Irish Standard Time ↔ Pacific Standard Time
- Irish Standard Time ↔ Eastern European Time
- Irish Standard Time ↔ Central European Time
- Irish Standard Time ↔ Western European Time
- Irish Standard Time ↔ Philippines Time
- Irish Standard Time ↔ Malaysia Time
- Irish Standard Time ↔ Singapore Time
- Irish Standard Time ↔ Australian Eastern Daylight Time
- Irish Standard Time ↔ Australian Central Daylight Time
- Irish Standard Time ↔ Australian Western Standard Time
- Irish Standard Time ↔ New Zealand Time
- Irish Standard Time ↔ London Time
- Irish Standard Time ↔ France Time
- Irish Standard Time ↔ Germany Time
- Irish Standard Time ↔ Moscow Time
- Irish Standard Time ↔ New York Time
- Irish Standard Time ↔ Washington DC Time
- Irish Standard Time ↔ Toronto Time
- Irish Standard Time ↔ Chicago Time
- Irish Standard Time ↔ Houston Time
- Irish Standard Time ↔ Mexico City Time
- Irish Standard Time ↔ Calgary Time
- Irish Standard Time ↔ Los Angeles Time
- Irish Standard Time ↔ San Francisco Time
- Irish Standard Time ↔ Vancouver Time
- Irish Standard Time ↔ Sao Paulo Time
- Irish Standard Time ↔ Argentina Time
- Irish Standard Time ↔ Colombia Time
- Irish Standard Time ↔ Spain Time
- Irish Standard Time ↔ Italy Time
- Irish Standard Time ↔ Sweden Time
- Irish Standard Time ↔ Netherlands Time
- Irish Standard Time ↔ Greece Time
- Irish Standard Time ↔ Brisbane Time
- Irish Standard Time ↔ Sydney Time
- Irish Standard Time ↔ Melbourne Time
- Irish Standard Time ↔ Adelaide Time
- Irish Standard Time ↔ Perth Time
- Irish Standard Time ↔ Dubai Time
- Irish Standard Time ↔ Hong Kong Time
- Irish Standard Time ↔ Japan Time
- Irish Standard Time ↔ Jakarta Time
- Irish Standard Time ↔ China Time
- Irish Standard Time ↔ South Africa Time
- Irish Standard Time ↔ Egypt Time
