Ruling · Govardhana Pūjā · 2019

Monday 28 October

Boundaryin Baoding, under the Rashtriya Panchang method. A threshold is only 0 min 45 s away. Say “contested”.

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 Monday 28 October

Taken. The only midday Pratipadā reaches.

madhyāhna begins 11:38  12:26 madhyāhna ends
Pratipadā begins 11:38:27
10:5011:1411:3812:0212:2612:5013:14

47 of 48 minutes covered, the last 47

Midday of Tuesday 29 October

Pratipadā is absent from madhyāhna. Not taken.

madhyāhna begins 11:38  12:26 madhyāhna ends
10:5011:1411:3812:0212:2612:5013:14

0 of 48 minutes covered

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

How it was decided

  1. 01

    Aṅga

    Pratipadā runs from 11:38 on Mon 28 Oct to 08:43 on Tue 29 Oct.

    2019-10-28T03:38:28Z → 2019-10-29T00:43:17Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:38–12:26 on the 28th, 11:38–12:26 on the 29th.

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

  3. 03

    Rule

    Pratipadā must be present during madhyāhna. It covers 47 of 48 minutes on the 28th and 0 of 48 on the 29th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104

  4. 04

    Tie-break

    Only one midday qualifies. No tie-break is needed.

    priority: purvaviddha → only-day · margin 45 s < 300 s

  5. 05

    Ruling

    Govardhana Pūjā, Baoding, 2019: Monday 28 October.

    confidence: boundary (margin)

Say it like this

In Baoding, Govardhana Pūjā 2019 falls on Monday 28 October. Pratipadā runs from 11:38 on Mon 28 Oct to 08:43 on Tue 29 Oct and covers 47 of 48 minutes of madhyāhna that midday. It is 0 min 45 s from a threshold: treat the date as contested.

ahargana.org/baoding/festivals/2019/govardhana-puja · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 28 Oct
Ahargaṇa, classicalDisc centre, no refractionMon 28 Oct
compat-drikpanchangComparison profileMon 28 Oct
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/govardhana-puja · ruleset 2026.3-draft

Month
Kārtika, amānta
Pakṣa · aṅga
Śukla · Pratipadā
Kāla
Madhyāhna
Priority
Pūrvaviddhā
Tie-break
First day
Reference
CRC 1955, p. 104

“S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna).” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlacePratipadāMadhyāhna 28thCoveredMadhyāhna 29thCoveredRuled
Los Angeles20:38 → 17:4312:1348 min12:120 min28 Oct
Chicago22:38 → 19:4312:1048 min12:100 min28 Oct
Jersey City23:38 → 20:4312:1648 min12:160 min28 Oct
Port of Spain23:38 → 20:4311:2648 min11:260 min28 Oct
London03:38 → 00:4311:2048 min11:200 min28 Oct
Durban05:38 → 02:4311:1648 min11:160 min28 Oct
Dubai07:38 → 04:4311:3848 min11:380 min28 Oct
Delhi09:08 → 06:1311:4148 min11:410 min28 Oct
Kolkata09:08 → 06:1310:5648 min10:560 min28 Oct
Singapore11:38 → 08:4312:2448 min12:240 min28 Oct
Sydney14:38 → 11:4312:150 min12:150 min29 Oct
Suva15:38 → 12:4311:260 min11:2648 min29 Oct
Profile · tradition
pac-rp@2026.1 · smarta
Rule
govardhana-puja@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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