Ruling · Śītalāṣṭamī · 2078

Tuesday 5 April

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 66 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 Tuesday 5 April

Taken. The only midday Aṣṭamī reaches.

madhyāhna begins 11:57  12:45 madhyāhna ends
11:0911:3311:5712:2112:4513:0913:33

48 of 48 minutes covered

Midday of Wednesday 6 April

Aṣṭamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:57  12:45 madhyāhna ends
11:0911:3311:5712:2112:4513:0913:33

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 10:29 on Tue 5 Apr to 10:51 on Wed 6 Apr.

    2078-04-05T02:29:25Z → 2078-04-06T02:51:09Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:57–12:45 on the 5th, 11:57–12:45 on the 6th.

    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 5th and 0 of 48 on the 6th.

    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 3955 s

  5. 05

    Ruling

    Śītalāṣṭamī, Baoding, 2078: Tuesday 5 April.

    confidence: determinate

Say it like this

In Baoding, Śītalāṣṭamī 2078 falls on Tuesday 5 April. Aṣṭamī runs from 10:29 on Tue 5 Apr to 10:51 on Wed 6 Apr and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2078/shitalashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 5 Apr
Ahargaṇa, classicalDisc centre, no refractionTue 5 Apr
compat-drikpanchangComparison profileTue 5 Apr
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 5thCoveredMadhyāhna 6thCoveredRuled
Los Angeles19:29 → 19:5112:3248 min12:320 min5 Apr
Chicago21:29 → 21:5112:3048 min12:290 min5 Apr
Jersey City22:29 → 22:5112:3548 min12:350 min5 Apr
Port of Spain22:29 → 22:5111:4548 min11:450 min5 Apr
London03:29 → 03:5112:4048 min12:400 min5 Apr
Durban04:29 → 04:5111:3448 min11:340 min5 Apr
Dubai06:29 → 06:5111:5848 min11:570 min5 Apr
Delhi07:59 → 08:2112:0048 min12:000 min5 Apr
Kolkata07:59 → 08:2111:1648 min11:150 min5 Apr
Singapore10:29 → 10:5112:4348 min12:430 min5 Apr
Sydney12:29 → 12:5111:340 min11:3448 min6 Apr
Suva14:29 → 14:5111:450 min11:4548 min6 Apr
Profile · tradition
pac-rp@2026.1 · smarta
Rule
shitalashtami@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

About Ahargaṇa