Date & Time Calculator Pro

Ultimate date and time calculator with business days, countdowns, timeline chart, age mode, and PDF report.

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Start Date

End Date

Start Time

End Time

Include Today

Business Days Only

Exclude Sundays

Exclude Holidays

Timezone

Reference Days (for Add/Subtract)

Holiday Dates (one per line)

Only used when Exclude Holidays is Yes.

Countdown preview will appear here.

Result

Choose dates and times, then calculate the difference.

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