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What is bigger than a millennium? The answer is Eon. Eon often refers to a span of one billion years. Show activity on this post.

What is another word for 1000000000 years? Some terms referenced do have year values assigned to them (Epoch at 1,000,000 years and Aeon at 1,000,000,000 years) but common usage relates to geological time periods which are not consistent in length.

What is a 100000 year period called? Decade: Ten (10) years. Century: One hundred (100) years. Millennium: One thousand (1,000) years.

What is a person in his 90’s called? Definition of nonagenarian : a person whose age is in the nineties.

What is considered your mid 20’s? Early is 20-23, 24-26 is mid, and 27-29 is late. Congrats, you’re in your mid-20s.

What units are light years? light-year, in astronomy, the distance traveled by light moving in a vacuum in the course of one year, at its accepted velocity of 299,792,458 metres per second (186,282 miles per second). A light-year equals about 9.46073 × 1012 km (5.87863 × 1012 miles), or 63,241 astronomical units.

What is the 10 unit of time?
Units of Time

minute
60 seconds

hour
60 minutes, or 3,600 seconds

day
24 hours, or 86,400 seconds

week
7 days, or 604,800 seconds

Who invented time and date? Reckoning Dates ACCORDING TO archaeological evidence, the Babylonians and Egyptians began to measure time at least 5,000 years ago, introducing calendars to organize and coordinate communal activities and public events, to schedule the shipment of goods and, in particular, to regulate cycles of planting and harvesting.

What is another term for 60th birthday? Sexagenarian is often used to be fancy or funny when referring to 60-somethings.

What is 40th birthday jubilee called? Ruby jubilee, for a 40th anniversary. Golden jubilee, for a 50th anniversary. Diamond jubilee, for a 60th anniversary. Sapphire jubilee, for a 65th anniversary.