Sentence examples for earliest calendars from inspiring English sources

The earliest calendars were based on astronomical observations of the cycles of repeated solar and lunar positions.

In particular, because they were not available for the earliest calendar years, HIV drug resistance testing, viral subtypes or therapeutic drug monitoring results were not considered.

Fascinated by reading about Stonehenge as an astronomical observatory or calendar of some sort, we noted other sites in the world that seemed also to be early calendars.

Most early calendars were, essentially, collections of months, the Babylonians using 29- and 30-day periods alternately, the Egyptians fixing the duration of all months at 30 days, with the Greeks copying them, and the Romans in the Julian calendar having a rather more complex system using one 28-day period with the others of either 30 or 31 days.

Most of the early calendars created by humans were based on the lunar cycle (13 months of 28 days, each month divided into four seven-day weeks).

And all the states hoping to leap-frog their way to an earlier calendar date have populations that are far more diverse than those of Iowa and New Hampshire.

Windows 9's release cadence is generally understood to kick off in late September with a technical preview, followed by a number of succeeding previews, leading up to an early calendar 2015 release.

Adding Nevada and South Carolina to the early calendar increased.

This count is based on an earlier calendar and is found throughout Mesoamerica.

The early calendar eliminates cooler classroom weeks in June, replacing them with the summer heat of August.

Sanders will likely lose most of the southern primaries to Clinton, but the early calendar also includes Nevada, Colorado, Minnesota and Massachusetts, all states that Sanders could win.