Ruling · Rudra Vrata · 2073

Saturday 2 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 120 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 2 September

Taken. The only midday Pratipadā reaches.

madhyāhna begins 11:54  12:42 madhyāhna ends
11:0611:3011:5412:1812:4213:0613:30

48 of 48 minutes covered

Midday of Sunday 3 September

Pratipadā is absent from madhyāhna. Not taken.

madhyāhna begins 11:53  12:41 madhyāhna ends
11:0511:2911:5312:1712:4113:0513:29

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 09:54 on Sat 2 Sep to 06:37 on Sun 3 Sep.

    2073-09-02T01:53:35Z → 2073-09-02T22:37:29Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:54–12:42 on the 2nd, 11:53–12:41 on the 3rd.

    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 2nd and 0 of 48 on the 3rd.

    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 7205 s

  5. 05

    Ruling

    Rudra Vrata, Baoding, 2073: Saturday 2 September.

    confidence: determinate

Say it like this

In Baoding, Rudra Vrata 2073 falls on Saturday 2 September. Pratipadā runs from 09:54 on Sat 2 Sep to 06:37 on Sun 3 Sep and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2073/rudra-vrata · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 2 Sep
Ahargaṇa, classicalDisc centre, no refractionSat 2 Sep
compat-drikpanchangComparison profileSat 2 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 2ndCoveredMadhyāhna 3rdCoveredRuled
Los Angeles18:54 → 15:3712:2848 min12:280 min2 Sep
Chicago20:54 → 17:3712:2648 min12:260 min2 Sep
Jersey City21:54 → 18:3712:3248 min12:310 min2 Sep
Port of Spain21:54 → 18:3711:4248 min11:410 min2 Sep
London02:54 → 23:3712:3648 min12:350 min2 Sep
Durban03:54 → 00:3711:3248 min11:320 min2 Sep
Dubai05:54 → 02:3711:5448 min11:540 min2 Sep
Delhi07:24 → 04:0711:5748 min11:560 min2 Sep
Kolkata07:24 → 04:0711:1248 min11:120 min2 Sep
Singapore09:54 → 06:3712:4048 min12:400 min2 Sep
Sydney11:54 → 08:3711:3126 min11:310 min2 Sep
Suva13:54 → 10:3711:420 min11:420 min3 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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