Class Tithi

Tithi Calculation Utilities

Index

Constructors

Methods

adjustLongitude calculateTithi getJulianDate getMoonLongitude getPaksha getSunLongitude getTithiName

Constructors

constructor

new Tithi(): Tithi
Returns Tithi

Methods

adjustLongitude

adjustLongitude(longitude: number, timeAdjustment: number): number
Adjust the longitude based on the time adjustment for nepal.
Parameters
- longitude: number
  Longitude to adjust
- timeAdjustment: number
  Time adjustment in hours
Returns number
Adjusted longitude
- Defined in index.ts:321

calculateTithi

calculateTithi(
    year: number,
    month: number,
    day: number,
    longitude?: number,
): { paksha: string; tithi: string }
Calculate the Tithi for a given Gregorian date and longitude.
Parameters
- year: number
  Gregorian year
- month: number
  Gregorian month (1-12)
- day: number
  Gregorian day (1-31)
- longitude: number = 86.25
  Longitude for calculation (default: 86.25)
Returns { paksha: string; tithi: string }
Object containing the tithi name and paksha
- Defined in index.ts:287

getJulianDate

getJulianDate(year: number, month: number, day: number): number
Calculate Julian Date from Gregorian date.
Parameters
- year: number
  Gregorian year
- month: number
  Gregorian month (1-12)
- day: number
  Gregorian day (1-31)
Returns number
Julian date
- Defined in index.ts:333

getMoonLongitude

getMoonLongitude(t: number): number
Calculate the moon's longitude at a given time.
Parameters
- t: number
  Julian centuries since J2000
Returns number
Moon's longitude in degrees
- Defined in index.ts:348

getPaksha

getPaksha(tithiIndex: number): string
Get the Paksha based on the Tithi index.
Parameters
- tithiIndex: number
  Index of the Tithi (0-29)
Returns string
Name of the Paksha ("शुक्ल" or "कृष्ण")
- Defined in index.ts:403

getSunLongitude

getSunLongitude(t: number): number
Calculate the sun's longitude at a given time.
Parameters
- t: number
  Julian centuries since J2000
Returns number
Sun's longitude in degrees
- Defined in index.ts:370

getTithiName

getTithiName(tithiIndex: number): string
Get the name of the Tithi based on its index.
Parameters
- tithiIndex: number
  Index of the Tithi (0-29)
Returns string
Name of the Tithi
- Defined in index.ts:386