Time

180
180
180 seconds

1,000,000 days are 2737.85 years

The answer to this question is very easy to calculate. Using a pocket calculator, any high school student should be able to answer this question correctly in a few seconds:

Multiply 60 (the number of seconds in a minute) x 60 (the number of minutes in an hour) x 24 (the number of hours in a day) x 365* (the number of days in a year), then multiply by 2 (the number of years at issue in the question).

* Adjust accordingly for a leap year.

Note: The answer below is wrong.

==========================

630772000

288

100ms

Use a calculator: 365 days * 24 hours in a day = 8,760 hours

sundial

4.75 days = 114 hours.

Did they look were the sun was in the sky and have to estimate what time it was

Multiply the number of hours by 60. 132 x 60 = 7920 minutes

Exactly 672 hours.

1 minute = 60 billion nanoseconds.

30 days, x24, x60, x60 = 2,592,000 seconds

There are 24 hours in every day. However, it depends on where you are on whether clocks may go forward or back (happens once a year both forward and back)

There are 1000 years in a Millennium. Millennia is the plural of Millennium, so it depends on how many Millennia you are talking about.
A millennium is a period of one thousand years. "Millennia" is more than one millennium.

One hour is 3,600,000 milliseconds.

at eleven o'clock

A finite part of time is when you state a time. Say if we a truck drives for an hour. We have fixed the time. It doesn't drive for a day, 2 hours, 1.00001 hours, just an hour. Time is infinite if you do not dictate it's limit

A millennium is 12,000 months.

3,000 hours = about 4.1 months (4.1068639 months)

Assuming that you want a copy of the calendar used in the Western world, you can type 'petpetual calendar' in to a search engine. It will display calendars back to about the 1500's, if not futher back.

The length of the day varies depending depending on latitude and season (Winter, Fall, etc.)

2.77 hours.

1,000