Ruling · Dāmodara Dvādaśī · 1910

Wednesday 17 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 388 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 17 August

Taken. The only midday Dvādaśī reaches.

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

48 of 48 minutes covered

Midday of Thursday 18 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 04:53 on Wed 17 Aug to 05:30 on Thu 18 Aug.

    1910-08-16T20:53:08Z → 1910-08-17T21:29:45Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:58–12:46 on the 17th, 11:58–12:46 on the 18th.

    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 17th and 0 of 48 on the 18th.

    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 23282 s

  5. 05

    Ruling

    Dāmodara Dvādaśī, Baoding, 1910: Wednesday 17 August.

    confidence: determinate

Say it like this

In Baoding, Dāmodara Dvādaśī 1910 falls on Wednesday 17 August. Dvādaśī runs from 04:53 on Wed 17 Aug to 05:30 on Thu 18 Aug and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1910/damodara-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 17 Aug
Ahargaṇa, classicalDisc centre, no refractionWed 17 Aug
compat-drikpanchangComparison profileWed 17 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 Angeles12:53 → 13:3011:330 min11:3348 min17 Aug
Chicago14:53 → 15:3011:300 min11:3048 min17 Aug
Jersey City15:53 → 16:3011:360 min11:3648 min17 Aug
Port of Spain16:53 → 17:3011:460 min11:4648 min17 Aug
London20:53 → 21:3011:400 min11:4048 min17 Aug
Durban22:53 → 23:3011:360 min11:3648 min17 Aug
Dubai00:34 → 01:1111:400 min11:4048 min17 Aug
Delhi02:23 → 03:0012:010 min12:0148 min17 Aug
Kolkata02:23 → 03:0011:170 min11:1748 min17 Aug
Singapore03:53 → 04:3011:450 min11:4548 min17 Aug
Sydney06:53 → 07:3011:360 min11:3648 min17 Aug
Suva08:48 → 09:2511:420 min11:4248 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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