Story highlights April 12 is the day women's earnings catch up to men's earnings from the previous year

Women are typically paid 79% of what men are paid

If current trends continue, women won't earn equal pay until 2059, one group estimates

(CNN) April 12 is a day most women would rather not celebrate.

It's Equal Pay Day, and it's the day that, if you're a woman, your earnings have finally caught up with what men were paid the previous year.

The good news is that the gender pay gap is getting smaller. In 1964, women on average were paid 59% of what men were paid. In 2014, that number had jumped to 79%.

But that's the bad news, too: Women are typically paid 79% of what men are paid.

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