Ruling · Govardhana Pūjā · 1979

Sunday 21 October

Boundaryin Baoding, under the Rashtriya Panchang method. A threshold is only 3 min 37 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 Sunday 21 October

Taken. The only midday Pratipadā reaches.

madhyāhna begins 11:39  12:27 madhyāhna ends
10:5111:1511:3912:0312:2712:5113:15

48 of 48 minutes covered

Midday of Monday 22 October

Pratipadā is absent from madhyāhna. Not taken.

madhyāhna begins 11:39  12:27 madhyāhna ends
Pratipadā ends 11:34:53
10:5111:1511:3912:0312:2712:5113:15

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 10:23 on Sun 21 Oct to 11:35 on Mon 22 Oct.

    1979-10-21T02:23:02Z → 1979-10-22T03:34:53Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:39–12:27 on the 21st, 11:39–12:27 on the 22nd.

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

  3. 03

    Rule

    Pratipadā must be present during madhyāhna. It covers 48 of 48 minutes on the 21st and 0 of 48 on the 22nd.

    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 217 s < 300 s

  5. 05

    Ruling

    Govardhana Pūjā, Baoding, 1979: Sunday 21 October.

    confidence: boundary (margin)

Say it like this

In Baoding, Govardhana Pūjā 1979 falls on Sunday 21 October. Pratipadā runs from 10:23 on Sun 21 Oct to 11:35 on Mon 22 Oct and covers all of madhyāhna that midday. It is 3 min 37 s from a threshold: treat the date as contested.

ahargana.org/baoding/festivals/1979/govardhana-puja · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 21 Oct
Ahargaṇa, classicalDisc centre, no refractionSun 21 Oct
compat-drikpanchangComparison profileSun 21 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 21stCoveredMadhyāhna 22ndCoveredRuled
Los Angeles19:23 → 20:3512:1348 min12:130 min21 Oct
Chicago21:23 → 22:3512:1148 min12:110 min21 Oct
Jersey City22:23 → 23:3512:1748 min12:170 min21 Oct
Port of Spain22:23 → 23:3511:2748 min11:270 min21 Oct
London03:23 → 04:3512:2148 min12:210 min21 Oct
Durban04:23 → 05:3511:1748 min11:170 min21 Oct
Dubai06:23 → 07:3511:3948 min11:390 min21 Oct
Delhi07:53 → 09:0511:4248 min11:420 min21 Oct
Kolkata07:53 → 09:0510:5748 min10:570 min21 Oct
Singapore09:53 → 11:0511:5548 min11:550 min21 Oct
Sydney12:23 → 13:3511:160 min11:1648 min22 Oct
Suva14:23 → 15:3511:270 min11:2748 min22 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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