Question: is cest the same as est?
Answer: CEST is 7 hours ahead of EST. If you are in CEST, the most convenient time to accommodate all parties is between 4:00 pm and 6:00 pm for a conference call or meeting. In EST, this will be a usual working time of between 9:00 am and 11:00 am. ... This time span will be between 7:00 am and 11:00 pm EST time.