Ruling · Dāmodara Dvādaśī · 1982

Sunday 1 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 507 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 Saturday 31 July

Dvādaśī is absent from madhyāhna. Not taken.

madhyāhna begins 12:00  12:48 madhyāhna ends
11:1211:3612:0012:2412:4813:1213:36

0 of 48 minutes covered

Midday of Sunday 1 August

Taken. The only midday Dvādaśī reaches.

madhyāhna begins 12:00  12:48 madhyāhna ends
11:1211:3612:0012:2412:4813:1213:36

48 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 21:15 on Sat 31 Jul to 23:50 on Sun 1 Aug.

    1982-07-31T13:15:15Z → 1982-08-01T15:50:02Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:00–12:48 on the 31st, 12:00–12:48 on the 1st.

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

  3. 03

    Rule

    Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 31st and 48 of 48 on the 1st.

    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 30421 s

  5. 05

    Ruling

    Dāmodara Dvādaśī, Baoding, 1982: Sunday 1 August.

    confidence: determinate

Say it like this

In Baoding, Dāmodara Dvādaśī 1982 falls on Sunday 1 August. Dvādaśī runs from 21:15 on Sat 31 Jul to 23:50 on Sun 1 Aug and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1982/damodara-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 1 Aug
Ahargaṇa, classicalDisc centre, no refractionSun 1 Aug
compat-drikpanchangComparison profileSun 1 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 31stCoveredMadhyāhna 1stCoveredRuled
Los Angeles06:15 → 08:5012:3548 min12:350 min31 Jul
Chicago08:15 → 10:5012:3348 min12:330 min31 Jul
Jersey City09:15 → 11:5012:3848 min12:380 min31 Jul
Port of Spain09:15 → 11:5011:4848 min11:482 min31 Jul
London14:15 → 16:5012:420 min12:4248 min1 Aug
Durban15:15 → 17:5011:380 min11:3848 min1 Aug
Dubai17:15 → 19:5012:010 min12:0148 min1 Aug
Delhi18:45 → 21:2012:030 min12:0348 min1 Aug
Kolkata18:45 → 21:2011:190 min11:1948 min1 Aug
Singapore21:15 → 23:5012:470 min12:4748 min1 Aug
Sydney23:15 → 01:5011:380 min11:3848 min1 Aug
Suva01:15 → 03:5011:490 min11:4948 min1 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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