Ruling · Rudra Vrata · 2008

Sunday 31 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 476 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 Sunday 31 August

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 Monday 1 September

Pratipadā is absent from madhyāhna. Not taken.

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

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 03:58 on Sun 31 Aug to 02:57 on Mon 1 Sep.

    2008-08-30T19:58:03Z → 2008-08-31T18:57:10Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:54–12:42 on the 31st, 11:54–12:42 on the 1st.

    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 31st and 0 of 48 on the 1st.

    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 28564 s

  5. 05

    Ruling

    Rudra Vrata, Baoding, 2008: Sunday 31 August.

    confidence: determinate

Say it like this

In Baoding, Rudra Vrata 2008 falls on Sunday 31 August. Pratipadā runs from 03:58 on Sun 31 Aug to 02:57 on Mon 1 Sep and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2008/rudra-vrata · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 31 Aug
Ahargaṇa, classicalDisc centre, no refractionSun 31 Aug
compat-drikpanchangComparison profileSun 31 Aug
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 30thCoveredMadhyāhna 31stCoveredRuled
Los Angeles12:58 → 11:5712:2919 min12:290 min30 Aug
Chicago14:58 → 13:5712:270 min12:2648 min31 Aug
Jersey City15:58 → 14:5712:320 min12:3248 min31 Aug
Port of Spain15:58 → 14:5711:420 min11:4248 min31 Aug
London20:58 → 19:5712:360 min12:3648 min31 Aug
Durban21:58 → 20:5711:330 min11:3248 min31 Aug
Dubai23:58 → 22:5711:550 min11:5548 min31 Aug
Delhi01:28 → 00:2711:570 min11:5748 min31 Aug
Kolkata01:28 → 00:2711:130 min11:1348 min31 Aug
Singapore03:58 → 02:5712:410 min12:4148 min31 Aug
Sydney05:58 → 04:5711:320 min11:3248 min31 Aug
Suva07:58 → 06:5711:430 min11:4348 min31 Aug
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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