Ruling · Rudra Vrata · 1936

Wednesday 16 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 490 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 Wednesday 16 September

Taken. The only midday Pratipadā reaches.

madhyāhna begins 11:49  12:37 madhyāhna ends
11:0111:2511:4912:1312:3713:0113:25

48 of 48 minutes covered

Midday of Thursday 17 September

Pratipadā is absent from madhyāhna. Not taken.

madhyāhna begins 11:48  12:36 madhyāhna ends
11:0011:2411:4812:1212:3613:0013:24

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 01:41 on Wed 16 Sep to 03:38 on Thu 17 Sep.

    1936-09-15T17:41:16Z → 1936-09-16T19:38:23Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:49–12:37 on the 16th, 11:48–12:36 on the 17th.

    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 16th and 0 of 48 on the 17th.

    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 29402 s

  5. 05

    Ruling

    Rudra Vrata, Baoding, 1936: Wednesday 16 September.

    confidence: determinate

Say it like this

In Baoding, Rudra Vrata 1936 falls on Wednesday 16 September. Pratipadā runs from 01:41 on Wed 16 Sep to 03:38 on Thu 17 Sep and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1936/rudra-vrata · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 16 Sep
Ahargaṇa, classicalDisc centre, no refractionWed 16 Sep
compat-drikpanchangComparison profileWed 16 Sep
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/rudra-vrata · ruleset 2026.3-draft

Month
Bhādrapada, amānta
Pakṣa · aṅga
Śukla · Pratipadā
Kāla
Madhyāhna
Priority
Pūrvaviddhā
Tie-break
First day
Reference
CRC 1955, p. 103

“S 1 Rudra vrata (purvaviddha).” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlacePratipadāMadhyāhna 15thCoveredMadhyāhna 16thCoveredRuled
Los Angeles09:41 → 11:3811:2448 min11:2315 min15 Sep
Chicago12:41 → 14:3812:2128 min12:2148 min15 Sep
Jersey City13:41 → 15:3812:270 min12:2748 min16 Sep
Port of Spain13:41 → 15:3811:370 min11:3748 min16 Sep
London18:41 → 20:3812:310 min12:3148 min16 Sep
Durban19:41 → 21:3811:270 min11:2748 min16 Sep
Dubai21:41 → 23:3811:500 min11:4948 min16 Sep
Delhi23:11 → 01:0811:520 min11:5248 min16 Sep
Kolkata23:11 → 01:0811:080 min11:0748 min16 Sep
Singapore01:01 → 02:5811:560 min11:5648 min16 Sep
Sydney03:41 → 05:3811:270 min11:2648 min16 Sep
Suva05:41 → 07:3811:380 min11:3748 min16 Sep
Profile · tradition
pac-rp@2026.1 · smarta
Rule
rudra-vrata@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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