time: since or time.Now().Sub(t) returns wrong when t is start date of the calender

[ErfanMomeniii]

What version of Go are you using (go version)?

$ go version
1.20.3

What did you expect to see?

I wanted to calculate the number of seconds that have passed since the start of the calendar.

fmt.Println(time.Now().UTC().Sub(time.Date(1, 1, 1, 0, 0, 0, 0, time.UTC)))

it returned the wrong answer.

2562047h47m16.854775807s

from the number of hours, we can calculate 292 years but we are in 2023 now.

[seankhliao]

it's unfortunate but int64 can only represent so much time at nanosecond resolution.