Ruling · Śītalāṣṭamī · 2080

Wednesday 13 March

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 220 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 Wednesday 13 March

Taken. The only midday Aṣṭamī reaches.

madhyāhna begins 12:04  12:52 madhyāhna ends
11:1611:4012:0412:2812:5213:1613:40

48 of 48 minutes covered

Midday of Thursday 14 March

Aṣṭamī is absent from madhyāhna. Not taken.

madhyāhna begins 12:04  12:52 madhyāhna ends
11:1611:4012:0412:2812:5213:1613:40

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 06:08 on Wed 13 Mar to 08:24 on Thu 14 Mar.

    2080-03-12T22:08:13Z → 2080-03-14T00:23:48Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:04–12:52 on the 13th, 12:04–12:52 on the 14th.

    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 13th and 0 of 48 on the 14th.

    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 13191 s

  5. 05

    Ruling

    Śītalāṣṭamī, Baoding, 2080: Wednesday 13 March.

    confidence: determinate

Say it like this

In Baoding, Śītalāṣṭamī 2080 falls on Wednesday 13 March. Aṣṭamī runs from 06:08 on Wed 13 Mar to 08:24 on Thu 14 Mar and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2080/shitalashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 13 Mar
Ahargaṇa, classicalDisc centre, no refractionWed 13 Mar
compat-drikpanchangComparison profileWed 13 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 12thCoveredMadhyāhna 14thCoveredRuled
Los Angeles15:08 → 17:2412:390 min12:380 min13 Mar
Chicago17:08 → 19:2412:370 min12:360 min13 Mar
Jersey City18:08 → 20:2412:420 min12:420 min13 Mar
Port of Spain18:08 → 20:2411:520 min11:510 min13 Mar
London22:08 → 00:2411:470 min11:460 min13 Mar
Durban00:08 → 02:2411:410 min11:410 min13 Mar
Dubai02:08 → 04:2412:050 min12:040 min13 Mar
Delhi03:38 → 05:5412:070 min12:060 min13 Mar
Kolkata03:38 → 05:5411:220 min11:220 min13 Mar
Singapore06:08 → 08:2412:500 min12:500 min13 Mar
Sydney09:08 → 11:2412:410 min12:400 min13 Mar
Suva10:08 → 12:2411:520 min11:5132 min13 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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