2=ij
April=APR. (Aprilis)
1992=MCMXCII
Therefore
02 April 1992 = ij APR. MCMXCII in Roman Calendar
April. The numbers are not letters. ha ha ha
Today
Easter
It is: TODAY
TODAY if todays date is 22 April 2014 but that was yesterday
A date or Today
Today (considering you'll read this answer today).
If you write April 26, 2011, this contains only 5 letters, but unfortunately also contains numbers...
Even if you used roman numerals, it would still require more than 5 letters.
The only way that's possible is on that day, you can write "today". You missed it.
April and March
April march as well