Form 2210: easy form asks for quarterly withholding values as of 4/15, 7/15, 9/15 and 12/31. Actual IRS form 2210 uses dates of 4/15, 6/15, 9/15 and 1/15 which is right?

I need to enter quarterly withholding data, but Turbo Tax easy forms asks for a second quarter end date of 7/15/23 when Form 2210 uses 6/15/23. This messes up two quarters worth of data for the calculation. This is the second time I have asked. Got no response from Turbo Tax yet on the first time. Seems easily resolvable. Filing deadline is approaching.

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