Ruling · Śītalā Saptamī · 1963

Sunday 11 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 369 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 11 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 Monday 12 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 05:50 on Sun 11 Aug to 03:30 on Mon 12 Aug.

    1963-08-10T21:50:17Z → 1963-08-11T19:29:34Z

  2. 02

    Kāla

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

    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 11th and 0 of 48 on the 12th.

    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 22130 s

  5. 05

    Ruling

    Śītalā Saptamī, Baoding, 1963: Sunday 11 August.

    confidence: determinate

Say it like this

In Baoding, Śītalā Saptamī 1963 falls on Sunday 11 August. Saptamī runs from 05:50 on Sun 11 Aug to 03:30 on Mon 12 Aug and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1963/shitala-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 11 Aug
Ahargaṇa, classicalDisc centre, no refractionSun 11 Aug
compat-drikpanchangComparison profileSun 11 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 10thCoveredMadhyāhna 11thCoveredRuled
Los Angeles14:50 → 12:3012:340 min12:340 min11 Aug
Chicago16:50 → 14:3012:320 min12:3148 min11 Aug
Jersey City17:50 → 15:3012:370 min12:3748 min11 Aug
Port of Spain17:50 → 15:3011:470 min11:4748 min11 Aug
London22:50 → 20:3012:410 min12:4148 min11 Aug
Durban23:50 → 21:3011:370 min11:3748 min11 Aug
Dubai01:50 → 23:3012:000 min12:0048 min11 Aug
Delhi03:20 → 01:0012:020 min12:0248 min11 Aug
Kolkata03:20 → 01:0011:180 min11:1848 min11 Aug
Singapore05:20 → 03:0012:160 min12:1648 min11 Aug
Sydney07:50 → 05:3011:370 min11:3748 min11 Aug
Suva09:50 → 07:3011:480 min11:4848 min11 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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