EDSunriseSet.h

//
//  EDSunriseSet.h
//
//  Created by Ernesto García  on 20/08/11.
//  Copyright 2011 Ernesto García. All rights reserved.
//

//  C/C++ sun calculations created by Paul Schlyter
//  sunriset.c 
//  http://stjarnhimlen.se/english.html
//  SUNRISET.C - computes Sun rise/set times, start/end of twilight, and
//  the length of the day at any date and latitude
//  Written as DAYLEN.C, 1989-08-16
//  Modified to SUNRISET.C, 1992-12-01
//  (c) Paul Schlyter, 1989, 1992
//  Released to the public domain by Paul Schlyter, December 1992
//

#import <Foundation/Foundation.h>

#if ! __has_feature(objc_arc)
#error This file must be compiled with ARC. Either turn on ARC for the project or use -fobjc-arc flag in this file.
#endif

@interface EDSunriseSet : NSObject {
}

-(EDSunriseSet*)initWithTimezone:(NSTimeZone*)timezone latitude:(double)latitude longitude:(double)longitude;
+(EDSunriseSet*)sunrisesetWithTimezone:(NSTimeZone*)timezone latitude:(double)lat longitude:(double)longt;

-(void)calculateSunriseSunset:(NSDate*)date;
-(void)calculateTwilight:(NSDate*)date;
-(void)calculate:(NSDate*)date;

-(NSDateComponents*)localSunrise;
-(NSDateComponents*)localSunset;
-(NSDateComponents*)localCivilTwilightStart;
-(NSDateComponents*)localCivilTwilightEnd;
-(NSDateComponents*)localNauticalCivilTwilightStart;
-(NSDateComponents*)localNauticalCivilTwilightEnd;
-(NSDateComponents*)localAstronomicalTwilightStart;
-(NSDateComponents*)localAstronomicalTwilightEnd;

@property (readonly,retain) NSDate *sunset;
@property (readonly,retain) NSDate *sunrise;
@property (readonly,retain) NSDate *civilTwilightStart;
@property (readonly,retain) NSDate *civilTwilightEnd;
@property (readonly,retain) NSDate *nauticalTwilightStart;
@property (readonly,retain) NSDate *nauticalTwilightEnd;
@property (readonly,retain) NSDate *astronomicalTwilightStart;
@property (readonly,retain) NSDate *astronomicalTwilightEnd;

@end