Ruling · Dāmodara Dvādaśī · 1900

Wednesday 8 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 31 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 Tuesday 7 August

Dvādaśī is absent from madhyāhna. Not taken.

madhyāhna begins 12:05  12:53 madhyāhna ends
11:1711:4112:0512:2912:5313:1713:41

0 of 48 minutes covered

Midday of Wednesday 8 August

Taken. The only midday Dvādaśī reaches.

madhyāhna begins 12:04  12:52 madhyāhna ends
Dvādaśī ends 13:24:26
11:1611:4012:0412:2812:5213:1613:40

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 14:41 on Tue 7 Aug to 13:24 on Wed 8 Aug.

    1900-08-07T06:35:59Z → 1900-08-08T05:18:43Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:05–12:53 on the 7th, 12:04–12:52 on the 8th.

    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 7th and 48 of 48 on the 8th.

    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 1880 s

  5. 05

    Ruling

    Dāmodara Dvādaśī, Baoding, 1900: Wednesday 8 August.

    confidence: determinate

Say it like this

In Baoding, Dāmodara Dvādaśī 1900 falls on Wednesday 8 August. Dvādaśī runs from 14:41 on Tue 7 Aug to 13:24 on Wed 8 Aug and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1900/damodara-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 8 Aug
Ahargaṇa, classicalDisc centre, no refractionWed 8 Aug
compat-drikpanchangComparison profileWed 8 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 7thCoveredMadhyāhna 8thCoveredRuled
Los Angeles22:36 → 21:1911:3448 min11:340 min7 Aug
Chicago00:36 → 23:1911:3248 min11:320 min7 Aug
Jersey City01:36 → 00:1911:3848 min11:370 min7 Aug
Port of Spain02:36 → 01:1911:4848 min11:470 min7 Aug
London06:36 → 05:1911:4248 min11:410 min7 Aug
Durban08:06 → 06:4911:0848 min11:080 min7 Aug
Dubai10:17 → 09:0011:4148 min11:410 min7 Aug
Delhi11:57 → 10:4011:5445 min11:530 min7 Aug
Kolkata11:57 → 10:4011:090 min11:090 min7 Aug
Singapore13:31 → 12:1411:410 min11:4133 min8 Aug
Sydney16:36 → 15:1911:370 min11:3748 min8 Aug
Suva18:31 → 17:1411:430 min11:4348 min8 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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