Hi daisyf1305, I think that according to the rules of the contest :- you cannot post your hub before March 31st at 12:01pm.
The following is directly from the Contest page:
Keep in mind that all entries MUST...
•Include the tag: WritingContest
•Be published for the first time on that given contest day
•Be a minimum of 400 words
•Be entirely original to HubPages