Ruling · Dāmodara Dvādaśī · 1959

Saturday 15 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 427 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 15 August

Taken. The only midday Dvādaśī reaches.

madhyāhna begins 11:58  12:46 madhyāhna ends
11:1011:3411:5812:2212:4613:1013:34

48 of 48 minutes covered

Midday of Sunday 16 August

Dvādaśī is absent from madhyāhna. Not taken.

madhyāhna begins 11:58  12:46 madhyāhna ends
11:1011:3411:5812:2212:4613:1013:34

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 04:51 on Sat 15 Aug to 02:28 on Sun 16 Aug.

    1959-08-14T20:51:10Z → 1959-08-15T18:28:13Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:58–12:46 on the 15th, 11:58–12:46 on the 16th.

    madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 15th and 0 of 48 on the 16th.

    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 25636 s

  5. 05

    Ruling

    Dāmodara Dvādaśī, Baoding, 1959: Saturday 15 August.

    confidence: determinate

Say it like this

In Baoding, Dāmodara Dvādaśī 1959 falls on Saturday 15 August. Dvādaśī runs from 04:51 on Sat 15 Aug to 02:28 on Sun 16 Aug and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1959/damodara-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 15 Aug
Ahargaṇa, classicalDisc centre, no refractionSat 15 Aug
compat-drikpanchangComparison profileSat 15 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 14thCoveredMadhyāhna 15thCoveredRuled
Los Angeles13:51 → 11:2812:330 min12:330 min15 Aug
Chicago15:51 → 13:2812:310 min12:3148 min15 Aug
Jersey City16:51 → 14:2812:370 min12:3648 min15 Aug
Port of Spain16:51 → 14:2811:470 min11:4748 min15 Aug
London21:51 → 19:2812:410 min12:4048 min15 Aug
Durban22:51 → 20:2811:370 min11:3748 min15 Aug
Dubai00:51 → 22:2811:590 min11:5948 min15 Aug
Delhi02:21 → 23:5812:020 min12:0148 min15 Aug
Kolkata02:21 → 23:5811:170 min11:1748 min15 Aug
Singapore04:21 → 01:5812:150 min12:1548 min15 Aug
Sydney06:51 → 04:2811:360 min11:3648 min15 Aug
Suva08:51 → 06:2811:470 min11:4748 min15 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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