Ruling · Dāmodara Dvādaśī · 1927

Wednesday 10 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 312 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 9 August

Dvādaśī is absent from madhyāhna. Not taken.

madhyāhna begins 11:59  12:47 madhyāhna ends
11:1111:3511:5912:2312:4713:1113:35

0 of 48 minutes covered

Midday of Wednesday 10 August

Taken. The only midday Dvādaśī reaches.

madhyāhna begins 11:59  12:47 madhyāhna ends
11:1111:3511:5912:2312:4713:1113:35

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 18:23 on Tue 9 Aug to 17:59 on Wed 10 Aug.

    1927-08-09T10:22:44Z → 1927-08-10T09:59:00Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:59–12:47 on the 9th, 11:59–12:47 on the 10th.

    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 9th and 48 of 48 on the 10th.

    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 18705 s

  5. 05

    Ruling

    Dāmodara Dvādaśī, Baoding, 1927: Wednesday 10 August.

    confidence: determinate

Say it like this

In Baoding, Dāmodara Dvādaśī 1927 falls on Wednesday 10 August. Dvādaśī runs from 18:23 on Tue 9 Aug to 17:59 on Wed 10 Aug and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1927/damodara-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 10 Aug
Ahargaṇa, classicalDisc centre, no refractionWed 10 Aug
compat-drikpanchangComparison profileWed 10 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 9thCoveredMadhyāhna 10thCoveredRuled
Los Angeles02:23 → 01:5911:3448 min11:340 min9 Aug
Chicago05:23 → 04:5912:3248 min12:320 min9 Aug
Jersey City06:23 → 05:5912:3748 min12:370 min9 Aug
Port of Spain06:23 → 05:5911:4748 min11:470 min9 Aug
London11:23 → 10:5912:4148 min12:410 min9 Aug
Durban12:23 → 11:5911:383 min11:3722 min9 Aug
Dubai14:23 → 13:5912:000 min12:0048 min10 Aug
Delhi15:53 → 15:2912:020 min12:0248 min10 Aug
Kolkata15:53 → 15:2911:180 min11:1848 min10 Aug
Singapore17:23 → 16:5911:460 min11:4648 min10 Aug
Sydney20:23 → 19:5911:370 min11:3748 min10 Aug
Suva22:23 → 21:5911:480 min11:4848 min10 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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