CalcaTools

Hora Calculator | Calculate Hora Periods From Birth Time

A Hora Calculator helps calculate hora calculator using Vedic astrology, panchang, calendar, muhurat, Vastu or naming inputs. It gives an instant browser-based result with a transparent method and source notes. Use it for planning and learning, then verify important ritual or marriage decisions with a qualified practitioner.

Last updated: June 2026 · Free · No sign-up required

hours
Results

Enter values above and click Calculate to see your result instantly.

Quick reference

Hora lordGood for
SunGovernment work, leadership, applications
MoonTravel, water matters, emotional conversations
MarsCourage, sports, surgery, land dealings
MercuryBusiness, accounts, study, communication
JupiterMarriage talks, education, religious rites, finance
VenusRomance, arts, vehicles, luxury purchases
SaturnLabour, oil/iron work, discipline — otherwise avoided for new starts

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The calculator returns a direct, extractable answer plus a structured breakdown for AI Overviews, ChatGPT citations and Perplexity-style answer extraction.

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Inputs are processed client-side in your browser. CalcaTools does not require login and does not store birth details.

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This page is mapped to the TIER 2 — Rashi, Nakshatra & Planetary Calculators cluster with related Hindu calendar, Jyotish, muhurat and Vastu entities for semantic SEO.

info Use responsibly

For ceremonies, marriage matching and legal decisions, verify with a qualified practitioner and your regional panchang.

Interpretation guide

WeekdayFirst hora at sunrise
SundaySun
MondayMoon
TuesdayMars
WednesdayMercury
ThursdayJupiter
FridayVenus
SaturdaySaturn

lightbulb Worked example

Let's say you are using the Hora Calculator. A Hora Calculator helps calculate hora calculator using Vedic astrology, panchang, calendar, muhurat, Vastu or naming inputs. It gives an instant browser-based result with a transparent method and Enter the values that match your situation into the input fields and press calculate — using realistic numbers makes the result directly useful for you.

Result: The calculator instantly applies the formula Day hora length = (sunset − sunrise)/12; lords follow the Chaldean order Sun→Venus→Mercury→Moon→Saturn→Jupiter→Mars repeating and returns the result with appropriate precision.

What this means: Read the result in the context of what you are measuring. The step-by-step breakdown lets you confirm the math and understand which input most affects the outcome.

Formula & methodology

Formula: Day hora length = (sunset − sunrise)/12; lords follow the Chaldean order Sun→Venus→Mercury→Moon→Saturn→Jupiter→Mars repeating

The Hora Calculator is built on a well-established calculation method. It uses the formula Day hora length = (sunset − sunrise)/12; lords follow the Chaldean order Sun→Venus→Mercury→Moon→Saturn→Jupiter→Mars repeating to turn your inputs into a reliable result. A Hora Calculator helps calculate hora calculator using Vedic astrology, panchang, calendar, muhurat, Vastu or naming inputs. It gives an instant browser-based result with a transparent method and source notes. Use it The steps are shown on the page so you can follow the reasoning from input to output.

  1. Enter date and your city’s coordinates and UTC offset.
  2. The calculator finds local sunrise/sunset and divides daytime into 12 horas.
  3. The weekday lord rules the first hora (Wednesday → Mercury).
  4. Each next hora follows the Chaldean sequence Sun, Venus, Mercury, Moon, Saturn, Jupiter, Mars — repeating through the day.

Worked example — Delhi, Wednesday 10 Jun 2026 (sunrise 05:23): Mercury hora 05:23–06:32, Moon 06:32–07:42, Saturn 07:42–08:52, Jupiter 08:52–10:01, Mars 10:01–11:11, Sun 11:11–12:21, Venus 12:21–13:30, then Mercury again — so a student would favour the morning Mercury or Jupiter horas.

Authoritative source: Hindu astrology reference

Frequently asked questions

What is a hora?
A hora is a planetary hour — one-twelfth of the time between sunrise and sunset (day horas) or sunset and next sunrise (night horas). Each hora is ruled by one of the seven classical planets and inherits that planet’s nature, making horas a quick muhurat filter.
How is the first hora of the day decided?
The day’s ruling planet owns the sunrise hora: Sun on Sunday, Moon on Monday, Mars on Tuesday, Mercury on Wednesday, Jupiter on Thursday, Venus on Friday, Saturn on Saturday. The sequence then descends in the Chaldean order, which is also why weekdays have their familiar order.
Which hora is best for buying gold or starting a business?
Venus hora suits luxury and vehicle purchases; Mercury hora suits trade, accounts and contracts; Jupiter hora is the classic choice for financial beginnings, marriage talks and anything sacred. Combine the hora with a good Choghadiya and a window clear of Rahu Kaal for a stronger muhurat.
Are day and night horas the same length?
Only at the equinox. Day horas stretch in summer (long days) and shrink in winter; night horas do the opposite. On 10 Jun 2026 in Delhi a day hora lasts about 70 minutes, not 60 — which is why hora tables must be computed from real sunrise/sunset.
Hora vs Choghadiya — what’s the difference?
Both slice the day from sunrise, but Choghadiya makes 8 segments with quality labels (Amrit, Rog…) while horas make 12 segments each ruled by a planet. Choghadiya answers “is this time good or bad”; hora answers “what kind of work does this time favour”. Many people require both to agree.
What does the Hora Calculator do?
A Hora Calculator helps calculate hora calculator using Vedic astrology, panchang, calendar, muhurat, Vastu or naming inputs. It gives an instant browser-based result with a transparent method and source notes. Use it for planning and learning, then verify. The calculator takes your inputs, applies the standard calculation, and returns a clear result so you can make an informed decision without doing the math by hand.
What formula does the Hora Calculator use?
The Hora Calculator applies the standard formula: Day hora length = (sunset − sunrise)/12; lords follow the Chaldean order Sun→Venus→Mercury→Moon→Saturn→Jupiter→Mars repeating. The tool walks through each step of the calculation so you can verify the numbers yourself.
Is the Hora Calculator free and private?
Yes — the Hora Calculator. There is no sign-up, no paywall, no trial, and no limit on how many calculations you can run. CalcaTools covers its costs with non-intrusive display advertising, so the calculator itself never asks for payment or restricts any feature.
How accurate is the Hora Calculator?
The Hora Calculator applies the standard formula: Day hora length = (sunset − sunrise)/12; lords follow the Chaldean order Sun→Venus→Mercury→Moon→Saturn→Jupiter→Mars repeating. It is tested against published worked examples before launch and uses native double-precision arithmetic, so results are accurate to typical precision for the values you enter — with no intermediate rounding that could distort the answer.

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