Cardiff to Philadelphia
Philadelphia is 5 hours behind of Cardiff.
Cardiff
Wales, UK
Day
Difference
Philadelphia
United States
Day
Best window to call: 14:00 - 17:00 Cardiff time, both sides are inside 09:00-17:00.
Hour-by-hour conversion
Every hour of the day in Cardiff with its equivalent in Philadelphia. Green rows fall inside business hours for both.
About the Cardiff-Philadelphia gap
Cardiff sits in the Europe/London time zone (BST), while Philadelphia uses America/New_York (EDT). That puts Philadelphia 5 hours behind of Cardiff right now.
For scheduling, the practical overlap runs from 14:00 to 17:00 in Cardiff. Booking inside that band means neither party is dialling in before breakfast or after dinner.
Related comparisons
- Philadelphia to Cardiff
- Cardiff to London
- Cardiff to New York
- Cardiff to Los Angeles
- Cardiff to Chicago
- Cardiff to São Paulo
- Cardiff to Paris
See also current time in Cardiff and current time in Philadelphia.
Cardiff and Philadelphia, questions
- What is the time difference between Cardiff and Philadelphia?
- Philadelphia is 5 hours behind of Cardiff. Cardiff is currently on BST and Philadelphia on EDT.
- What is the best time to call Philadelphia from Cardiff?
- Between 14:00 and 17:00 Cardiff time, both cities are inside normal business hours of 09:00 to 17:00. Outside that window one side is either not yet at work or has already left.
- Is the difference between Cardiff and Philadelphia always the same?
- The gap is mostly stable, but if both cities observe daylight saving they may not switch on the same date, there are usually a few weeks each spring and autumn when the difference shifts by an hour.