Ruling · Dāmodara Dvādaśī · 1956

Friday 17 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 38 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 Friday 17 August

Taken. Both middays qualify; the rule takes the first.

madhyāhna begins 11:58  12:46 madhyāhna ends
Dvādaśī begins 11:19:25
11:1011:3411:5812:2212:4613:1013:34

48 of 48 minutes covered

Midday of Saturday 18 August

Qualifies with 48 of 48 minutes. Not taken.

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

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 11:19 on Fri 17 Aug to 13:50 on Sat 18 Aug.

    1956-08-17T03:19:26Z → 1956-08-18T05:50:13Z

  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 48 of 48 on the 18th.

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

  4. 04

    Tie-break

    Both middays qualify. Pūrvaviddhā: the first is taken.

    priority: purvaviddha → purvaviddha · margin 2307 s

  5. 05

    Ruling

    Dāmodara Dvādaśī, Baoding, 1956: Friday 17 August.

    confidence: determinate

Say it like this

In Baoding, Dāmodara Dvādaśī 1956 falls on Friday 17 August. Dvādaśī runs from 11:19 on Fri 17 Aug to 13:50 on Sat 18 Aug and covers all of madhyāhna that midday. It also reaches the next midday for 48 minutes; by the rule the first midday is taken.

ahargana.org/baoding/festivals/1956/damodara-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 17 Aug
Ahargaṇa, classicalDisc centre, no refractionFri 17 Aug
compat-drikpanchangComparison profileFri 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 17thCoveredMadhyāhna 18thCoveredRuled
Los Angeles20:19 → 22:5012:3348 min12:320 min17 Aug
Chicago22:19 → 00:5012:3048 min12:300 min17 Aug
Jersey City23:19 → 01:5012:3648 min12:360 min17 Aug
Port of Spain23:19 → 01:5011:4648 min11:460 min17 Aug
London04:19 → 06:5012:4048 min12:400 min17 Aug
Durban05:19 → 07:5011:3648 min11:360 min17 Aug
Dubai07:19 → 09:5011:5948 min11:580 min17 Aug
Delhi08:49 → 11:2012:0148 min12:010 min17 Aug
Kolkata08:49 → 11:2011:1648 min11:164 min17 Aug
Singapore10:49 → 13:2012:1548 min12:1448 min17 Aug
Sydney13:19 → 15:5011:350 min11:3548 min18 Aug
Suva15:19 → 17:5011:460 min11:4648 min18 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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