Ruling · Śītalā Saptamī · 2039

Thursday 11 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 5 min 29 s.

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 Wednesday 10 August

Saptamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:59  12:47 madhyāhna ends
Saptamī begins 12:52:48
11:1111:3511:5912:2312:4713:1113:35

0 of 48 minutes covered

Midday of Thursday 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

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

How it was decided

  1. 01

    Aṅga

    Saptamī runs from 12:53 on Wed 10 Aug to 14:33 on Thu 11 Aug.

    2039-08-10T04:52:49Z → 2039-08-11T06:33:04Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:59–12:47 on the 10th, 11:59–12:47 on the 11th.

    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 10th and 48 of 48 on the 11th.

    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 329 s

  5. 05

    Ruling

    Śītalā Saptamī, Baoding, 2039: Thursday 11 August.

    confidence: determinate

Say it like this

In Baoding, Śītalā Saptamī 2039 falls on Thursday 11 August. Saptamī runs from 12:53 on Wed 10 Aug to 14:33 on Thu 11 Aug and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2039/shitala-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 11 Aug
Ahargaṇa, classicalDisc centre, no refractionThu 11 Aug
compat-drikpanchangComparison profileWed 10 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 Angeles21:53 → 23:3312:3448 min12:340 min10 Aug
Chicago23:53 → 01:3312:3248 min12:310 min10 Aug
Jersey City00:53 → 02:3312:3748 min12:370 min10 Aug
Port of Spain00:53 → 02:3311:4748 min11:470 min10 Aug
London05:53 → 07:3312:4148 min12:410 min10 Aug
Durban06:53 → 08:3311:3848 min11:370 min10 Aug
Dubai08:53 → 10:3312:0048 min12:000 min10 Aug
Delhi10:23 → 12:0312:0248 min12:021 min10 Aug
Kolkata10:23 → 12:0311:1848 min11:1845 min10 Aug
Singapore12:53 → 14:3312:4641 min12:4648 min10 Aug
Sydney14:53 → 16:3311:370 min11:3748 min11 Aug
Suva16:53 → 18:3311:480 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

About Ahargaṇa