Ruling · Śītalā Saptamī · 2029

Friday 31 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 509 minutes.

Decide it for

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 Thursday 30 August

Saptamī 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

Midday of Friday 31 August

Taken. The only midday Saptamī reaches.

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

48 of 48 minutes covered

Saptamī presentMadhyāhna, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Saptamī runs from 21:12 on Thu 30 Aug to 23:31 on Fri 31 Aug.

    2029-08-30T13:11:47Z → 2029-08-31T15:31:20Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:54–12:42 on the 30th, 11:54–12:42 on the 31st.

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

  3. 03

    Rule

    Saptamī must be present during madhyāhna. It covers 0 of 48 minutes on the 30th and 48 of 48 on the 31st.

    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 30560 s

  5. 05

    Ruling

    Śītalā Saptamī, Baoding, 2029: Friday 31 August.

    confidence: determinate

Say it like this

In Baoding, Śītalā Saptamī 2029 falls on Friday 31 August. Saptamī runs from 21:12 on Thu 30 Aug to 23:31 on Fri 31 Aug and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2029/shitala-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 31 Aug
Ahargaṇa, classicalDisc centre, no refractionFri 31 Aug
compat-drikpanchangComparison profileFri 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/shitala-saptami · ruleset 2026.3-draft

Month
Śrāvaṇa, amānta
Pakṣa · aṅga
Kṛṣṇa · Saptamī
Kāla
Madhyāhna
Priority
Pūrvaviddhā
Tie-break
First day
Reference
CRC 1955, p. 103

“K 7 Sitala saptami (purvaviddha).” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceSaptamīMadhyāhna 30thCoveredMadhyāhna 31stCoveredRuled
Los Angeles06:12 → 08:3112:2948 min12:290 min30 Aug
Chicago08:12 → 10:3112:2748 min12:260 min30 Aug
Jersey City09:12 → 11:3112:3248 min12:320 min30 Aug
Port of Spain09:12 → 11:3111:4248 min11:420 min30 Aug
London14:12 → 16:3112:360 min12:3648 min31 Aug
Durban15:12 → 17:3111:330 min11:3248 min31 Aug
Dubai17:12 → 19:3111:550 min11:5548 min31 Aug
Delhi18:42 → 21:0111:570 min11:5748 min31 Aug
Kolkata18:42 → 21:0111:130 min11:1348 min31 Aug
Singapore21:12 → 23:3112:410 min12:4148 min31 Aug
Sydney23:12 → 01:3111:320 min11:3248 min31 Aug
Suva01:12 → 03:3111:430 min11:4348 min31 Aug
Profile · tradition
pac-rp@2026.1 · smarta
Rule
shitala-saptami@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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