Ruling · Dāmodara Dvādaśī · 1916

Thursday 10 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 142 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 Thursday 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

Midday of Friday 11 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

Dvādaśī presentMadhyāhna, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Dvādaśī runs from 09:38 on Thu 10 Aug to 06:28 on Fri 11 Aug.

    1916-08-10T01:37:34Z → 1916-08-10T22:28:12Z

  2. 02

    Kāla

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

    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 10th and 0 of 48 on the 11th.

    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 8494 s

  5. 05

    Ruling

    Dāmodara Dvādaśī, Baoding, 1916: Thursday 10 August.

    confidence: determinate

Say it like this

In Baoding, Dāmodara Dvādaśī 1916 falls on Thursday 10 August. Dvādaśī runs from 09:38 on Thu 10 Aug to 06:28 on Fri 11 Aug and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1916/damodara-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 10 Aug
Ahargaṇa, classicalDisc centre, no refractionThu 10 Aug
compat-drikpanchangComparison profileThu 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 10thCoveredMadhyāhna 11thCoveredRuled
Los Angeles17:38 → 14:2811:3448 min11:340 min10 Aug
Chicago19:38 → 16:2811:3148 min11:310 min10 Aug
Jersey City20:38 → 17:2811:3748 min11:370 min10 Aug
Port of Spain21:38 → 18:2811:4748 min11:470 min10 Aug
London02:38 → 23:2812:4148 min12:410 min10 Aug
Durban03:38 → 00:2811:3748 min11:370 min10 Aug
Dubai05:19 → 02:0911:4148 min11:410 min10 Aug
Delhi07:08 → 03:5812:0248 min12:020 min10 Aug
Kolkata07:08 → 03:5811:1848 min11:180 min10 Aug
Singapore08:38 → 05:2811:4648 min11:460 min10 Aug
Sydney11:38 → 08:2811:3747 min11:370 min10 Aug
Suva13:38 → 10:2811:480 min11:480 min11 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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