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In the Hindu calendar, Chaturdashi is the 14th day (Tithi) of the waxing phase or waning phase of the moon. This is the day prior to new moon ( Amavasya ) or full moon ( Pournami ). It has a great significance to Bengalis, as goddess Tara appeared to rishi vasistha on this tithi.

Hindu calendar is a collective term for the various lunisolar calendars traditionally used in the Indian subcontinent. They adopt a similar underlying concept for timekeeping, but differ in their relative emphasis to moon cycle or the sun cycle and the names of months and when they consider the New Year to start. Of the various regional calendars, the most studied and known Hindu calendars are the Shalivahana Shaka found in South India, Vikram Samvat (Bikrami) found in North and Central regions of India, Tamil calendar used in Tamil Nadu, and the Bengali calendar used in the Bengal – all of which emphasize the lunar cycle. Their new year starts in spring, with their heritage dating back to 1st millennium BCE. In contrast, in regions such as Kerala, the solar cycle is emphasized and this is called the Malayalam calendar, their new year starts in autumn, and these have origins in the second half of the 1st millennium CE. A Hindu calendar is sometimes referred to as Panchanga (पञ्चाङ्ग).

Tithi lunar day in Vedic timekeeping

In Vedic timekeeping, a tithi is a lunar day, or the time it takes for the longitudinal angle between the Moon and the Sun to increase by 12°. In other words, a tithi is a time-duration between the consecutive epochs that correspond to when the longitudinal-angle between sun and moon is an integer multiple of 12°. Tithis begin at varying times of day and vary in duration from approximately 19 to approximately 26 hours.

New moon phase of the moon

In astronomy, the new moon is the first lunar phase, when the Moon and Sun have the same ecliptic longitude. At this phase, the lunar disk is not visible to the unaided eye, except when silhouetted during a solar eclipse. Daylight outshines the earthlight that dimly illuminates the new moon. The actual phase is usually a very thin crescent.



Chaturdasi means 14, wherein Chatur means four and Dasi means 10. It is taken from the Sanskrit.


Diwali Hindu festival of lights

Diwali, Deepavali or Dipavali is Hindu and Jain festival of lights, which is celebrated every autumn in the northern hemisphere. One of the most popular festivals of Hinduism, Diwali symbolises the spiritual "victory of light over darkness, good over evil and knowledge over ignorance." Light is a metaphor for knowledge and consciousness. During the celebration, temples, homes, shops and office buildings are brightly illuminated. The preparations, and rituals, for the festival typically last five days, with the climax occurring on the third day coinciding with the darkest night of the Hindu lunisolar month Kartika. In the Gregorian calendar, the festival generally falls between mid-October and mid-November.

Naraka Chaturdashi is a Hindu festival, which falls on Chaturdashi of the Krishna Paksha in the Vikram Samvat Hindu calendar month of Ashvin. It is the second day of the five-day-long festival of Deepavali/Diwali. The Hindu literature narrates that the asura (demon) Narakasura was killed on this day by Krishna, Satyabhama and Kali. The day is celebrated by early morning religious rituals and festivities follow on.

Maha Shivaratri Hindu festival for contemplation of self and Shiva

Maha Shivaratri is a annual festival celebrated annually in honor of Lord Shiva. There is a Shivaratri in every luni-solar month of the Hindu calendar, on the month's 13th night/14th day, but once a year in late winter and before the arrival of Summer, marks Maha Shivaratri which means "the Great Night of Shiva".

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The term dark moon should describe the Moon during the period when the Moon is not reflecting direct sunlight towards Earth, but is now being used to define the last visible crescent of a waning Moon. Because of this, the duration of a dark moon varies between 1.5 and 3.5 days, depending on its ecliptic latitude. The period without direct sunlight being reflected from the Moon is from 21 to 26 hours.

Panchangam Hindu calendar and almanac

A panchānga is a Hindu calendar and almanac, which follows traditional units of Hindu timekeeping, and presents important dates and their calculations in a tabulated form. It is sometimes spelled Pancanga, Panchanga, Panchaanga, or Panchānga, and is pronounced Panchānga. Pachangas are used in Jyotisha.

Vikram Samvat ; Listen ) is the historical Hindu calendar from the Indian subcontinent and the official calendar of modern-day India and Nepal. It uses lunar months and solar sidereal years.

Amavasya last day of the dark lunar fortnight

Amāvásyā means the lunar phase of the New moon. The word Amāvásyā is common to almost all Nepalese and Indian languages as most of them are derived from Sanskrit. Ancient Babylonian, Greek and Indian calendars used 30 lunar phases, called tithi in India. The dark moon tithi is when the Moon is within the 12 degrees of angular distance between the Sun and Moon before conjunction (syzygy). The New Moon tithi is the 12 angular degrees after syzygy. Amāvásyā is often translated as new moon since there is no standard term for the Moon before conjunction in English.

Ekādaśī, also spelled as Ekādaśi, is the eleventh lunar day (tithi) of each of the two lunar phases which occur in a Hindu calendar month - the Sukla Paksha and the Krishna Paksha.

Chaturthi or Chaviti, is the fourth day (Tithi) of any lunar month in the Hindu calendar.

Śrāddha or Shraaddha is a Sanskrit word which literally means anything or any act that is performed with all sincerity and faith (Śraddhā). In the Hindu religion, it is the ritual that one performs to pay homage to one's 'ancestors', especially to one's dead parents. Conceptually, it is a way for people to express heartfelt gratitude and thanks towards their parents and ancestors, for having helped them to be what they are and praying for their peace. It also can be thought of as a "day of remembrance". It is performed for both the father and mother separately, on the days they became deceased. It is performed on the death anniversary or collectively during the Pitru Paksha or Shraaddha paksha, right before Sharad Navaratri in autumn.

Pradosha vrata is a Hindu vrata for the worship of Lord Shiva and Parvati. The Pradosha worship is done in the evening twilight or sandhya kala on the Trayodashi of both lunar fortnights. These are the 13th tithi, or lunar days, from the New Moon (Amavasya) and Full Moon (Poornima).

Upākarma "Beginning", also called Āvaṇi Aviṭṭam and Janivārada Huṇṇime ,Gamha Purnima, is a Vedic ritual practiced by Hindus of the Vishwakarma Brahmin caste. This ritual is also practiced by the Kshatriya and Vaishya community, who are dvijas and therefore have the rights to do Sandhyavandanam, the daily ablution ritual.

Panchami is the fifth day (tithi) of the fortnight (paksha) in Hindu lunar calendar.

Paksha refers to a fortnight or a lunar phase in a month of the Hindu lunar calendar.

Shashthi also referred to as Chhath is the sixth day or tithi of a Paksha or fourteen-day phase of the moon. The word comes from the Sanskrit cardinal ṣaṣ (six), whence the ordinal number (linguistics) ṣaṣṭha (sixth), fem. ṣaṣṭhī. The sixth tithi, especially in the waxing period (shuklapaksha), is important in several rituals including:

Saptami is the seventh day (tithi) of the fortnight (paksha) in Hindu lunar calendar.

Pitru Paksha, also spelt as Pitri paksha, Pitr Paksha is a 16–lunar day period in Hindu calendar when Hindus pay homage to their ancestor (Pitrs), especially through food offerings. The period is also known as Pitru Pakshya, Pitri Pokkho, Sola Shraddha/ Sorha Shraddha in Nepali, Kanagat, Jitiya, Mahalaya Paksha and Apara paksha.

Navami is the ninth day (tithi) of the fortnight (paksha) in the Hindu lunar calendar.

Purnima last day of the bright lunar fortnight

Purnima is the Indian and Nepali word for full moon, while in Indonesian it is known as Purnama. The day of Purnima is the day (Tithi) in each month when the full moon occurs, and marks the division in each month between the two lunar fortnights (Paksha).

Pataleshwar Mandir

The Pataleshwar Mandir is a Hindu Temple in the city of Hajipur, Bihar, India. Dedicated to Lord Shiva, it is located at Jadhua Road, Hajipur. As per local folklore, it is said to have been in existence since ancient period and Lord Shiva is believed to be in the form of Lingam here. Apart from anthropomorphic images of Shiva, the worship of Shiva in the form of a lingam, or linga, is also important. The worship of the Shiva-Linga originated from the famous hymn in the Atharva-Veda Samhitâ sung in praise of the Yupa-Stambha, the sacrificial post.