Ruling · Śītalāṣṭamī · 2046

Thursday 29 March

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 508 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 29 March

Taken. The only midday Aṣṭamī 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 30 March

Aṣṭamī 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

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

How it was decided

  1. 01

    Aṅga

    Aṣṭamī runs from 02:35 on Thu 29 Mar to 03:32 on Fri 30 Mar.

    2046-03-28T18:35:13Z → 2046-03-29T19:31:30Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:59–12:47 on the 29th, 11:59–12:47 on the 30th.

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

  3. 03

    Rule

    Aṣṭamī must be present during madhyāhna. It covers 48 of 48 minutes on the 29th and 0 of 48 on the 30th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105

  4. 04

    Tie-break

    Only one midday qualifies. No tie-break is needed.

    priority: purvaviddha → only-day · margin 30450 s

  5. 05

    Ruling

    Śītalāṣṭamī, Baoding, 2046: Thursday 29 March.

    confidence: determinate

Say it like this

In Baoding, Śītalāṣṭamī 2046 falls on Thursday 29 March. Aṣṭamī runs from 02:35 on Thu 29 Mar to 03:32 on Fri 30 Mar and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2046/shitalashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 29 Mar
Ahargaṇa, classicalDisc centre, no refractionThu 29 Mar
compat-drikpanchangComparison profileThu 29 Mar
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/shitalashtami · ruleset 2026.3-draft

Month
Phālguna, amānta
Pakṣa · aṅga
Kṛṣṇa · Aṣṭamī
Kāla
Madhyāhna
Priority
Pūrvaviddhā
Tie-break
First day
Reference
CRC 1955, p. 105

“K 8 Sitalastami, (purvaviddha)” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceAṣṭamīMadhyāhna 28thCoveredMadhyāhna 29thCoveredRuled
Los Angeles11:35 → 12:3212:3448 min12:340 min28 Mar
Chicago13:35 → 14:3212:320 min12:3248 min29 Mar
Jersey City14:35 → 15:3212:380 min12:3748 min29 Mar
Port of Spain14:35 → 15:3211:470 min11:4748 min29 Mar
London19:35 → 20:3212:420 min12:4248 min29 Mar
Durban20:35 → 21:3211:370 min11:3648 min29 Mar
Dubai22:35 → 23:3212:000 min12:0048 min29 Mar
Delhi00:05 → 01:0212:020 min12:0248 min29 Mar
Kolkata00:05 → 01:0211:180 min11:1848 min29 Mar
Singapore02:35 → 03:3212:460 min12:4548 min29 Mar
Sydney05:35 → 06:3212:360 min12:3648 min29 Mar
Suva06:35 → 07:3211:470 min11:4748 min29 Mar
Profile · tradition
pac-rp@2026.1 · smarta
Rule
shitalashtami@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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