Ruling · Dāmodara Dvādaśī · 1915

Sunday 22 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 28 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 21 August

Dvādaśī is absent from madhyāhna. Not taken.

madhyāhna begins 11:57  12:45 madhyāhna ends
11:0911:3311:5712:2112:4513:0913:33

0 of 48 minutes covered

Midday of Sunday 22 August

Taken. Dvādaśī reaches neither midday; the rule takes the second day.

madhyāhna begins 11:57  12:45 madhyāhna ends
Dvādaśī ends 11:28:32
11:0911:3311:5712:2112:4513:0913:33

0 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 13:52 on Sat 21 Aug to 11:29 on Sun 22 Aug.

    1915-08-21T05:51:42Z → 1915-08-22T03:28:33Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:57–12:45 on the 21st, 11:57–12:45 on the 22nd.

    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 21st and 0 of 48 on the 22nd.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103

  4. 04

    Tie-break

    Neither midday qualifies. The rule takes the second day.

    priority: purvaviddha → second-day · margin 1703 s

  5. 05

    Ruling

    Dāmodara Dvādaśī, Baoding, 1915: Sunday 22 August.

    confidence: determinate

Say it like this

In Baoding, Dāmodara Dvādaśī 1915 falls on Sunday 22 August. Dvādaśī runs from 13:52 on Sat 21 Aug to 11:29 on Sun 22 Aug, and reaches madhyāhna on neither day.

ahargana.org/baoding/festivals/1915/damodara-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 22 Aug
Ahargaṇa, classicalDisc centre, no refractionSun 22 Aug
compat-drikpanchangComparison profileSun 22 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 21stCoveredMadhyāhna 22ndCoveredRuled
Los Angeles21:52 → 19:2911:3248 min11:320 min21 Aug
Chicago23:52 → 21:2911:2948 min11:290 min21 Aug
Jersey City00:52 → 22:2911:3548 min11:350 min21 Aug
Port of Spain01:52 → 23:2911:4548 min11:450 min21 Aug
London05:52 → 03:2911:3948 min11:390 min21 Aug
Durban07:52 → 05:2911:3548 min11:350 min21 Aug
Dubai09:33 → 07:1011:3948 min11:390 min21 Aug
Delhi11:22 → 08:5912:0048 min12:000 min21 Aug
Kolkata11:22 → 08:5911:1642 min11:150 min21 Aug
Singapore12:52 → 10:2911:440 min11:440 min22 Aug
Sydney15:52 → 13:2911:350 min11:3548 min22 Aug
Suva17:47 → 15:2411:410 min11:4148 min22 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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