MtkJulianToCal.c File Reference

#include "MisrUtil.h"
#include "MisrError.h"
#include <math.h>
#include <string.h>

Go to the source code of this file.

Macros
#define	GREGORIAN_EPOCH   1721425.5

Functions
static int	leap_gregorian (int year)
static double	gregorian_to_jd (int year, int month, int day)
static double	mod (double a, double b)
static void	jd_to_gregorian (double jd, int *y, int *m, int *d)
static void	jhms (double j, int *hour, int *min, int *sec)
MTKt_status	MtkJulianToCal (double jd, int *year, int *month, int *day, int *hour, int *min, int *sec)
	Convert Julian date to calendar date. More...

Macro Definition Documentation

GREGORIAN_EPOCH

#define GREGORIAN_EPOCH   1721425.5

Definition at line 32 of file MtkJulianToCal.c.

Function Documentation

gregorian_to_jd()

static double gregorian_to_jd ( int  year, int  month, int  day  )

static

Definition at line 34 of file MtkJulianToCal.c.

jd_to_gregorian()

static void jd_to_gregorian ( double  jd, int *  y, int *  m, int *  d  )

static

Definition at line 58 of file MtkJulianToCal.c.

jhms()

static void jhms ( double  j, int *  hour, int *  min, int *  sec  )

static

Definition at line 101 of file MtkJulianToCal.c.

leap_gregorian()

static int leap_gregorian ( int  year )

static

Definition at line 24 of file MtkJulianToCal.c.

mod()

static double mod ( double  a, double  b  )

static

Definition at line 50 of file MtkJulianToCal.c.

MtkJulianToCal()

MTKt_status MtkJulianToCal	(	double	jd,
		int *	year,
		int *	month,
		int *	day,
		int *	hour,
		int *	min,
		int *	sec
	)

Convert Julian date to calendar date.

Returns

MTK_SUCCESS if successful.

Example:

In this example, we convert from the julian date 2453728.27313 to calendar date.

status = MtkJulianToCal(2453728.27313, &year, &month, &day, &hour, &min, &sec);

Note

Julian date must be >= 1721119.5

Parameters

[in]	jd	Julian date
[out]	year	Year
[out]	month	Month
[out]	day	Day
[out]	hour	Hour
[out]	min	Minutes
[out]	sec	Seconds

Definition at line 126 of file MtkJulianToCal.c.