Ruling · Dāmodara Dvādaśī · 1979

Sunday 5 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 509 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 4 August

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 5 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 23:39 on Sat 4 Aug to 21:17 on Sun 5 Aug.

    1979-08-04T15:39:12Z → 1979-08-05T13:17:03Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:00–12:48 on the 4th, 12:00–12:48 on the 5th.

    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 4th and 48 of 48 on the 5th.

    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 30550 s

  5. 05

    Ruling

    Dāmodara Dvādaśī, Baoding, 1979: Sunday 5 August.

    confidence: determinate

Say it like this

In Baoding, Dāmodara Dvādaśī 1979 falls on Sunday 5 August. Dvādaśī runs from 23:39 on Sat 4 Aug to 21:17 on Sun 5 Aug and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1979/damodara-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 5 Aug
Ahargaṇa, classicalDisc centre, no refractionSun 5 Aug
compat-drikpanchangComparison profileSun 5 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 4thCoveredMadhyāhna 5thCoveredRuled
Los Angeles08:39 → 06:1712:3548 min12:350 min4 Aug
Chicago10:39 → 08:1712:3248 min12:320 min4 Aug
Jersey City11:39 → 09:1712:3848 min12:380 min4 Aug
Port of Spain11:39 → 09:1711:4848 min11:480 min4 Aug
London16:39 → 14:1712:420 min12:4248 min5 Aug
Durban17:39 → 15:1711:380 min11:3848 min5 Aug
Dubai19:39 → 17:1712:010 min12:0148 min5 Aug
Delhi21:09 → 18:4712:030 min12:0348 min5 Aug
Kolkata21:09 → 18:4711:190 min11:1848 min5 Aug
Singapore23:09 → 20:4712:170 min12:1748 min5 Aug
Sydney01:39 → 23:1711:370 min11:3748 min5 Aug
Suva03:39 → 01:1711:490 min11:4848 min5 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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