Ruling · Śītalā Saptamī · 1971

Thursday 12 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 110 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 Thursday 12 August

Taken. The only midday Saptamī reaches.

madhyāhna begins 11:59  12:47 madhyāhna ends
11:1111:3511:5912:2312:4713:1113:35

48 of 48 minutes covered

Midday of Friday 13 August

Saptamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:59  12:47 madhyāhna ends
11:1111:3511:5912:2312:4713:1113:35

0 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 10:09 on Thu 12 Aug to 07:53 on Fri 13 Aug.

    1971-08-12T02:09:02Z → 1971-08-12T23:53:25Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:59–12:47 on the 12th, 11:59–12:47 on the 13th.

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

  3. 03

    Rule

    Saptamī must be present during madhyāhna. It covers 48 of 48 minutes on the 12th and 0 of 48 on the 13th.

    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 6596 s

  5. 05

    Ruling

    Śītalā Saptamī, Baoding, 1971: Thursday 12 August.

    confidence: determinate

Say it like this

In Baoding, Śītalā Saptamī 1971 falls on Thursday 12 August. Saptamī runs from 10:09 on Thu 12 Aug to 07:53 on Fri 13 Aug and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1971/shitala-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 12 Aug
Ahargaṇa, classicalDisc centre, no refractionThu 12 Aug
compat-drikpanchangComparison profileThu 12 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 12thCoveredMadhyāhna 13thCoveredRuled
Los Angeles19:09 → 16:5312:3448 min12:340 min12 Aug
Chicago21:09 → 18:5312:3148 min12:310 min12 Aug
Jersey City22:09 → 19:5312:3748 min12:370 min12 Aug
Port of Spain22:09 → 19:5311:4748 min11:470 min12 Aug
London03:09 → 00:5312:4148 min12:410 min12 Aug
Durban04:09 → 01:5311:3748 min11:370 min12 Aug
Dubai06:09 → 03:5312:0048 min12:000 min12 Aug
Delhi07:39 → 05:2312:0248 min12:020 min12 Aug
Kolkata07:39 → 05:2311:1848 min11:170 min12 Aug
Singapore09:39 → 07:2312:1648 min12:160 min12 Aug
Sydney12:09 → 09:5311:3615 min11:360 min12 Aug
Suva14:09 → 11:5311:480 min11:476 min13 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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