Ruling · Dāmodara Dvādaśī · 2029

Monday 20 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 117 minutes.

Decide it for

BaodingDelhiKolkataSingaporeSydneyJersey City

38°52′ N 115°28′ E · Asia/Shanghai · GeoNames 1816971

The two middays

One ghaṭī is 24 minutes. Madhyāhna is 1 ghaṭikā either side of midday.

Midday of Monday 20 August

Taken. The only midday Dvādaśī reaches.

madhyāhna begins 11:57  12:45 madhyāhna ends
11:0911:3311:5712:2112:4513:0913:33

48 of 48 minutes covered

Midday of Tuesday 21 August

Dvādaśī is absent from madhyāhna. Not taken.

madhyāhna begins 11:57  12:45 madhyāhna ends
11:0911:3311:5712:2112:4513:0913:33

0 of 48 minutes covered

Dvādaśī presentMadhyāhna, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Dvādaśī runs from 10:00 on Mon 20 Aug to 09:24 on Tue 21 Aug.

    2029-08-20T01:59:58Z → 2029-08-21T01:23:44Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:57–12:45 on the 20th, 11:57–12:45 on the 21st.

    madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 20th and 0 of 48 on the 21st.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103

  4. 04

    Tie-break

    Only one midday qualifies. No tie-break is needed.

    priority: purvaviddha → only-day · margin 7035 s

  5. 05

    Ruling

    Dāmodara Dvādaśī, Baoding, 2029: Monday 20 August.

    confidence: determinate

Say it like this

In Baoding, Dāmodara Dvādaśī 2029 falls on Monday 20 August. Dvādaśī runs from 10:00 on Mon 20 Aug to 09:24 on Tue 21 Aug and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2029/damodara-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 20 Aug
Ahargaṇa, classicalDisc centre, no refractionMon 20 Aug
compat-drikpanchangComparison profileMon 20 Aug
No institution has a recorded ruling for Baoding.

Institutional rulings are recorded with a source address, and are never edited to agree.

The rule, as data

/rules/damodara-dvadashi · ruleset 2026.3-draft

Month
Śrāvaṇa, amānta
Pakṣa · aṅga
Śukla · Dvādaśī
Kāla
Madhyāhna
Priority
Pūrvaviddhā
Tie-break
First day
Reference
CRC 1955, p. 103

“S 12 Buddha dvadasi, Damodara dvadasi (purvaviddha), Visnu-pavitraropana.” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceDvādaśīMadhyāhna 20thCoveredMadhyāhna 21stCoveredRuled
Los Angeles19:00 → 18:2412:3248 min12:320 min20 Aug
Chicago21:00 → 20:2412:2948 min12:290 min20 Aug
Jersey City22:00 → 21:2412:3548 min12:350 min20 Aug
Port of Spain22:00 → 21:2411:4548 min11:450 min20 Aug
London03:00 → 02:2412:3948 min12:390 min20 Aug
Durban04:00 → 03:2411:3548 min11:350 min20 Aug
Dubai06:00 → 05:2411:5848 min11:580 min20 Aug
Delhi07:30 → 06:5412:0048 min12:000 min20 Aug
Kolkata07:30 → 06:5411:1648 min11:160 min20 Aug
Singapore10:00 → 09:2412:4448 min12:440 min20 Aug
Sydney12:00 → 11:2411:3523 min11:350 min20 Aug
Suva14:00 → 13:2411:460 min11:4648 min21 Aug
Profile · tradition
pac-rp@2026.1 · smarta
Rule
damodara-dvadashi@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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