Is EST always 3 hours ahead of PST?

Related questions

1. Is est one hour ahead of CST?
2. Is there a place 24 hours ahead?
3. What does EST and PST mean?
4. Is there time change?
5. Does SA have Daylight Savings?
6. What does 12 pm PST mean?
7. Are we in PST or EST?
8. Do the clocks change in South Africa?
9. Why are there different timezones?
10. What is the importance of standard time?

Tags

1. #hours
2. #difference
3. #sooner
4. #standard
5. #observed
6. #remain
7. #since
8. #changes
9. #zones
10. #ahead
11. #because
12. #forward
13. #during