Ruling · Dāmodara Dvādaśī · 1998

Wednesday 5 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 36 minutes.

Decide it for

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 Tuesday 4 August

Dvādaśī is absent from madhyāhna. Not taken.

madhyāhna begins 12:00  12:48 madhyāhna ends
Dvādaśī begins 13:24:06
11:1211:3612:0012:2412:4813:1213:36

0 of 48 minutes covered

Midday of Wednesday 5 August

Taken. The only midday Dvādaśī reaches.

madhyāhna begins 12:00  12:48 madhyāhna ends
Dvādaśī ends 13:31:35
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 13:24 on Tue 4 Aug to 13:32 on Wed 5 Aug.

    1998-08-04T05:24:06Z → 1998-08-05T05:31:36Z

  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 2167 s

  5. 05

    Ruling

    Dāmodara Dvādaśī, Baoding, 1998: Wednesday 5 August.

    confidence: determinate

Say it like this

In Baoding, Dāmodara Dvādaśī 1998 falls on Wednesday 5 August. Dvādaśī runs from 13:24 on Tue 4 Aug to 13:32 on Wed 5 Aug and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1998/damodara-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 5 Aug
Ahargaṇa, classicalDisc centre, no refractionWed 5 Aug
compat-drikpanchangComparison profileTue 4 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 Angeles22:24 → 22:3212:3548 min12:350 min4 Aug
Chicago00:24 → 00:3212:3248 min12:320 min4 Aug
Jersey City01:24 → 01:3212:3848 min12:380 min4 Aug
Port of Spain01:24 → 01:3211:4848 min11:480 min4 Aug
London06:24 → 06:3212:4248 min12:420 min4 Aug
Durban07:24 → 07:3211:3848 min11:380 min4 Aug
Dubai09:24 → 09:3212:0148 min12:010 min4 Aug
Delhi10:54 → 11:0212:0348 min12:030 min4 Aug
Kolkata10:54 → 11:0211:1948 min11:180 min4 Aug
Singapore13:24 → 13:3212:4711 min12:4745 min4 Aug
Sydney15:24 → 15:3211:370 min11:3748 min5 Aug
Suva17:24 → 17:3211:490 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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