Ruling · Dāmodara Dvādaśī · 2079

Wednesday 9 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 352 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 8 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 Wednesday 9 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 18:40 on Tue 8 Aug to 20:51 on Wed 9 Aug.

    2079-08-08T10:39:59Z → 2079-08-09T12:50:34Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:00–12:48 on the 8th, 12:00–12:48 on the 9th.

    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 8th and 48 of 48 on the 9th.

    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 21127 s

  5. 05

    Ruling

    Dāmodara Dvādaśī, Baoding, 2079: Wednesday 9 August.

    confidence: determinate

Say it like this

In Baoding, Dāmodara Dvādaśī 2079 falls on Wednesday 9 August. Dvādaśī runs from 18:40 on Tue 8 Aug to 20:51 on Wed 9 Aug and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2079/damodara-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 9 Aug
Ahargaṇa, classicalDisc centre, no refractionWed 9 Aug
compat-drikpanchangComparison profileWed 9 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 8thCoveredMadhyāhna 9thCoveredRuled
Los Angeles03:40 → 05:5112:3548 min12:340 min8 Aug
Chicago05:40 → 07:5112:3248 min12:320 min8 Aug
Jersey City06:40 → 08:5112:3848 min12:380 min8 Aug
Port of Spain06:40 → 08:5111:4848 min11:480 min8 Aug
London11:40 → 13:5112:4248 min12:4248 min8 Aug
Durban12:40 → 14:5111:380 min11:3848 min9 Aug
Dubai14:40 → 16:5112:010 min12:0048 min9 Aug
Delhi16:10 → 18:2112:030 min12:0348 min9 Aug
Kolkata16:10 → 18:2111:180 min11:1848 min9 Aug
Singapore18:40 → 20:5112:470 min12:4648 min9 Aug
Sydney20:40 → 22:5111:370 min11:3748 min9 Aug
Suva22:40 → 00:5111:480 min11:4848 min9 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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