Ruling · Rudra Vrata · 2029

Sunday 9 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 168 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 8 September

Pratipadā is absent from madhyāhna. Not taken.

madhyāhna begins 11:52  12:40 madhyāhna ends
11:0411:2811:5212:1612:4013:0413:28

0 of 48 minutes covered

Midday of Sunday 9 September

Taken. The only midday Pratipadā reaches.

madhyāhna begins 11:51  12:39 madhyāhna ends
11:0311:2711:5112:1512:3913:0313:27

48 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 18:44 on Sat 8 Sep to 15:28 on Sun 9 Sep.

    2029-09-08T10:44:24Z → 2029-09-09T07:27:34Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 8th, 11:51–12:39 on the 9th.

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

  3. 03

    Rule

    Pratipadā must be present during madhyāhna. It covers 0 of 48 minutes on the 8th and 48 of 48 on the 9th.

    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 10105 s

  5. 05

    Ruling

    Rudra Vrata, Baoding, 2029: Sunday 9 September.

    confidence: determinate

Say it like this

In Baoding, Rudra Vrata 2029 falls on Sunday 9 September. Pratipadā runs from 18:44 on Sat 8 Sep to 15:28 on Sun 9 Sep and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2029/rudra-vrata · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 9 Sep
Ahargaṇa, classicalDisc centre, no refractionSun 9 Sep
compat-drikpanchangComparison profileSun 9 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 8thCoveredMadhyāhna 9thCoveredRuled
Los Angeles03:44 → 00:2812:2648 min12:260 min8 Sep
Chicago05:44 → 02:2812:2448 min12:230 min8 Sep
Jersey City06:44 → 03:2812:2948 min12:290 min8 Sep
Port of Spain06:44 → 03:2811:4048 min11:390 min8 Sep
London11:44 → 08:2812:3448 min12:330 min8 Sep
Durban12:44 → 09:2811:300 min11:290 min9 Sep
Dubai14:44 → 11:2811:520 min11:520 min9 Sep
Delhi16:14 → 12:5811:540 min11:5448 min9 Sep
Kolkata16:14 → 12:5811:100 min11:1048 min9 Sep
Singapore18:44 → 15:2812:380 min12:3848 min9 Sep
Sydney20:44 → 17:2811:290 min11:2948 min9 Sep
Suva22:44 → 19:2811:400 min11:4048 min9 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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