Ruling · Śītalā Saptamī · 2015

Friday 4 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 235 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 Friday 4 September

Taken. The only midday Saptamī reaches.

madhyāhna begins 11:53  12:41 madhyāhna ends
11:0511:2911:5312:1712:4113:0513:29

48 of 48 minutes covered

Midday of Saturday 5 September

Saptamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:53  12:41 madhyāhna ends
11:0511:2911:5312:1712:4113:0513:29

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 07:58 on Fri 4 Sep to 06:26 on Sat 5 Sep.

    2015-09-03T23:57:51Z → 2015-09-04T22:25:42Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 4th, 11:53–12:41 on the 5th.

    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 4th and 0 of 48 on the 5th.

    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 14111 s

  5. 05

    Ruling

    Śītalā Saptamī, Baoding, 2015: Friday 4 September.

    confidence: determinate

Say it like this

In Baoding, Śītalā Saptamī 2015 falls on Friday 4 September. Saptamī runs from 07:58 on Fri 4 Sep to 06:26 on Sat 5 Sep and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2015/shitala-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 4 Sep
Ahargaṇa, classicalDisc centre, no refractionFri 4 Sep
compat-drikpanchangComparison profileFri 4 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/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 3rdCoveredMadhyāhna 4thCoveredRuled
Los Angeles16:58 → 15:2612:280 min12:2848 min4 Sep
Chicago18:58 → 17:2612:260 min12:2548 min4 Sep
Jersey City19:58 → 18:2612:310 min12:3148 min4 Sep
Port of Spain19:58 → 18:2611:410 min11:4148 min4 Sep
London00:58 → 23:2612:350 min12:3548 min4 Sep
Durban01:58 → 00:2611:320 min11:3148 min4 Sep
Dubai03:58 → 02:2611:540 min11:5448 min4 Sep
Delhi05:28 → 03:5611:560 min11:5648 min4 Sep
Kolkata05:28 → 03:5611:120 min11:1248 min4 Sep
Singapore07:58 → 06:2612:400 min12:4048 min4 Sep
Sydney09:58 → 08:2611:310 min11:3148 min4 Sep
Suva11:58 → 10:2611:420 min11:4232 min4 Sep
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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