There are some customs like one shouldn't wash, hair, clothes, cut nails etc. on weekdays like Tuesday, Saturday, etc.

  • I'm curious to know whether weekdays used to exist at the time of Mahabharata, Ramayana, etc. because we know there was clearly tithi like pratipada, dwitiya, etc. but no where we find mention of weekdays?

  • Also, lets just assume weekdays used to exist in ancient Hinduism, but how are they exactly in sync with English weekdays?

  • So, is it correct to conclude weekday is a recent invention and originally not part of Hinduism or is there some evidence that it existed at time of Mahabharata or before?

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    Good question. As far as I understood, week day is not part of time measurement in ancient world of Hinduism. – srimannarayana k v Feb 8 at 2:56
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    yes, weekday is modern invention, original Hindu time units has Pakshas i.e Krishna or Shukla according to which horoscopes are made,(Krishna was born on Ashtmi of Krishna Paksha while Rama on Navmi of Shukla Paksha). Two pakshas make a month while position of sun across 12 houses in eastern horizon belt makes 12 months. en.wikipedia.org/wiki/Hindu_units_of_time . Stories of Ekadshi are mentioned in Puranas which is also measured based on Paksha. – user16530 Feb 8 at 5:54

The measurement of time is different in Vedic Era. Weekday was not the part of that measurement. It is a subsequent development.

In Ramayana, there was no mention of vAra (weekday), but muhUrta, thithi, nakshatra, rAshi, etc, were mentioned.

In his Research paper Scientific Knowledge in the Vedas, Padmakar Vishnu Vartak says as follows:

The system of seven week-days was invented by the Indian sages at the time of TaittirTya Samhita in about 8357 B.C. The source of this is the Yajna system.

The Brahmins used to be 'Diksita' for six days and then they were taking holiday on the seventh day. During this holiday they used to give offerings only to the Sun, which was supposed to be the Atman. So this day got the name of Aditya-Sunday. On the other six days of the consecration, they used to give oblations to the planets, one on each day, taking alternately from the sun and from the earth.

He also stated as follows;

These week-days are mentioned in Atharva Jyotisa Sloka 93, Yajnavalkya Smrti Acaradhyaya Sloka 295, Mahabharata Adi Parva 160/7 and Katyayana Grhya Sutras, third Kanda, fifth Kandika, second verse. A special name 'Vara' is coined by Mahabharata and Katyayana for the week days. Valmiki Ramayana also mentions Thursday as Brhaspati day (Ayodhya 26/9).

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    What is this 'Vedic era' ? Also read the very next line after the last line you quoted 'Ramayana mentions Thursday as Brihaspati day (Ayodhya 26/9). I have fixed the date of expulsion of Rama to the forest as 29th Nov 7306 B.C' - what is this ?? First, Ramayana was in Treta Yuga, which is atleast 8.64 lakh years prior to Kali Yuga. Next, the gregorian calendar was a post-christ invention. He retro-actively calculated months & days using the 30-31-28 days modern fantasy to 5000 years before Christ ? The title of the book is 'Critical study of the Arctic Home in the Vedas by B.G Tilak'.. huh? – ram Feb 8 at 5:45

Vara is intrinsic part of Jyotisha, hence Vedas, hence exist for all time in Sanatana Dharma.

Bhanu vasara - Sunday

Soma - Monday

Mangal - Tuesday

Budh - Wednesday

Guru - Thursday

Shukra - Friday

Shani - Saturday

The weekdays are related to the NavaGruhas. Pls don't ask for source. This is almost basic common sense knowledge.

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