This goal has the following fine print specified by malakaiy:
The deadline itself ⇒ 100% credit
The deadline + 1 minute ⇒ 99.999% credit
The deadline + 1 hour ⇒ 99.9% credit
The deadline + 1 day (24 hours) ⇒ 99% credit
The deadline + 1 week ⇒ 90% credit
The deadline + 1 month (30 days) ⇒ 50% credit
The deadline + 1 year (365 days) ⇒ 10% credit