Ruling · Dāmodara Dvādaśī · 1967

Wednesday 16 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 31 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 Wednesday 16 August

Taken. The only midday Dvādaśī reaches.

madhyāhna begins 11:58  12:46 madhyāhna ends
Dvādaśī begins 11:27:11
11:1011:3411:5812:2212:4613:1013:34

48 of 48 minutes covered

Midday of Thursday 17 August

Dvādaśī is absent from madhyāhna. Not taken.

madhyāhna begins 11:58  12:46 madhyāhna ends
11:1011:3411:5812:2212:4613:1013:34

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 11:27 on Wed 16 Aug to 10:37 on Thu 17 Aug.

    1967-08-16T03:27:12Z → 1967-08-17T02:36:30Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:58–12:46 on the 16th, 11:58–12:46 on the 17th.

    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 16th and 0 of 48 on the 17th.

    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 1863 s

  5. 05

    Ruling

    Dāmodara Dvādaśī, Baoding, 1967: Wednesday 16 August.

    confidence: determinate

Say it like this

In Baoding, Dāmodara Dvādaśī 1967 falls on Wednesday 16 August. Dvādaśī runs from 11:27 on Wed 16 Aug to 10:37 on Thu 17 Aug and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1967/damodara-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 16 Aug
Ahargaṇa, classicalDisc centre, no refractionWed 16 Aug
compat-drikpanchangComparison profileWed 16 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 16thCoveredMadhyāhna 17thCoveredRuled
Los Angeles20:27 → 19:3712:3348 min12:330 min16 Aug
Chicago22:27 → 21:3712:3148 min12:300 min16 Aug
Jersey City23:27 → 22:3712:3648 min12:360 min16 Aug
Port of Spain23:27 → 22:3711:4648 min11:460 min16 Aug
London04:27 → 03:3712:4048 min12:400 min16 Aug
Durban05:27 → 04:3711:3648 min11:360 min16 Aug
Dubai07:27 → 06:3711:5948 min11:590 min16 Aug
Delhi08:57 → 08:0712:0148 min12:010 min16 Aug
Kolkata08:57 → 08:0711:1748 min11:170 min16 Aug
Singapore10:57 → 10:0712:1548 min12:150 min16 Aug
Sydney13:27 → 12:3711:360 min11:3648 min17 Aug
Suva15:27 → 14:3711:470 min11:4748 min17 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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