Just tried the birthday tool. You may want to spell out the format. I tried putting in "april" and it didn't parse. I eventually figured out to put in "4" but perhaps stipulating that it needs to be in numeric format beforehand would make it easier to use.
![Smile :) :)](styles/default/xenforo/smilies/xsmile.png.pagespeed.ic.Ag8h2FS5_U.png)
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