Pure astronomy math you can test off the watch. Right now just the Julian Date, worked out from a UTC timestamp with plain integer math, so it needs no Pebble services and no floats. More...

#include <time.h>
#include <stdint.h>

Functions
int32_t	astro_jd_centi (time_t utc)
	The Julian Date multiplied by 100, so the whole part is the day and the last two digits are hundredths. Kept scaled to stay in plain 32-bit integers.

Detailed Description

Pure astronomy math you can test off the watch. Right now just the Julian Date, worked out from a UTC timestamp with plain integer math, so it needs no Pebble services and no floats.

Functions

Detailed Description