Give me this answer...only for intelligent people :-)

@mercy18 (168)
Mauritius
October 10, 2006 8:11pm CST
I appear twice in a week but not in a day, I appear once in a year but not in a month... what am I...?
1 response
bhchy1
@bhchy1 (6047)
• United States
11 Oct 06
The letter E
mercy18
@mercy18 (168)
• Mauritius
11 Oct 06
WoW! You are really good at it, !!