पञ्चाङ्ग — Kolkata, West Bengal · December 18, 2026 CE

🪷 आज: लोहड़ी — Lohri
Punjab harvest festival; eve of Makara Saṅkrānti. (Approximated as 13/14 January annually; correct via Sun in Dhanu/Makara cusp.)

Also observed today

🪷 Today's Bhagavad-Gītā · The Daily Darśana
BG 15.6 · Chapter 15 · पुरुषोत्तमयोग · Puruṣottama-Yoga
न तद्भासयते सूर्यो न शशाङ्को न पावकः।यद्गत्वा न निवर्तन्ते तद्धाम परमं मम।।15.6।।
"15.6 Neither sun, moon, nor fire shines there. Those who go thither never come back. For, O Arjuna, that is my Celestial Home!" — Shri Purohit Swami
→ Enter BG 15.6's full darśana · all 5 English translations + classical ācārya commentaries

तिथि-निर्णय — Calendar Conversions

Lunar Month: Pauṣa (Pauṣa Śukla Pakṣa)
Vikram Saṁvat: 2083 Siddhārthī
Śaka Saṁvat: 1948 Parābhava
Bengali Saṁvat: 1433
Malayalam Era: 1202
Nanakshahi: 557
Solar Month: Dhanus (Mārgaḻi)
Ṛtu (Season): Hemanta (Pre-winter)

पञ्चाङ्ग — Five Limbs

तिथि (Tithi)Śukla Navamī (9/30)
नक्षत्र (Nakshatra)Uttara Bhādrapadā Pada 4
योग (Yoga)Vyatīpāta
करण (Karaṇa)Kaulava
वार (Vāra)Śukravāra (Friday)

सप्त-ग्रह — Seven Grahas (sidereal Lahiri)

GrahaLongitudeRāśiNakshatra
सूर्य Sūrya241.88°DhanuMūla P1
चन्द्र Candra341.34°MīnaUttara Bhādrapadā P3
मङ्गल Maṅgala132.67°SiṃhaMaghā P4
बुध Budha233.29°VṛścikaJyeṣṭhā P2
गुरु Bṛhaspati122.53°SiṃhaMaghā P1
शुक्र Śukra195.77°TulāSvātī P3
शनि Śani343.80°MīnaUttara Bhādrapadā P4

Kolkata, West Bengal — सूर्य/चन्द्र समय (Solar & Lunar Timings · IST)

Sūryodaya (Sunrise)06:11 IST
Sūryāsta (Sunset)16:56 IST
Madhyāhna (Solar Noon)11:34 IST
Candrodaya (Moonrise)12:05 IST
Candrāsta (Moonset)00:18 IST
Dinamāna (Day Duration)10 Hours 45 Mins 09 Secs
Rātrimāna (Night Duration)13 Hours 14 Mins 51 Secs

शुभ मुहूर्त — Auspicious Timings

Brahma Muhūrta04:45 – 05:28
Prātaḥ Sandhyā05:17 – 06:11
Abhijit Muhūrta11:12 – 11:55
Vijaya Muhūrta13:21 – 14:04
Godhūli Muhūrta16:44 – 17:08
Sāyāhna Sandhyā16:56 – 17:23
Amṛta Kāla16:41 – 18:26
Niśīta Muhūrta23:12 – 23:55

अशुभ काल — Inauspicious Timings (avoid)

Rāhu Kāla10:13 – 11:34
Yamaganda14:15 – 15:36
Gulika Kāla07:32 – 08:52
Varjyam06:38 – 06:55
Dur Muhūrta 08:42 – 09:03

दिशा शूल — Directional + Vasa

Diśā Śūla (avoid travel): West (Paścim)
Candra Vāsa: South-West
Rāhu Vāsa: South-East
Ānandādi Yoga: Kāṇa (Inauspicious)
Drik Ṛtu: Hemanta (Pre-winter)
Vedic Ṛtu: Hemanta (Pre-winter)
Drik Ayana: Dakṣiṇāyana
Vedic Ayana: Dakṣiṇāyana

तारा-चन्द्र बल — Tara & Chandra Bala

Favorable Nakshatras (Tara Bala, 15/27):
Aśvinī · Bharaṇī · Kṛttikā · Rohiṇī · Aśleṣā · Maghā · Pūrva Phalgunī · Uttara Phalgunī · Hasta · Jyeṣṭhā · Mūla · Pūrva Āṣāḍhā · Uttara Āṣāḍhā · Śravaṇa · Revatī
Favorable Rāśis (Chandra Bala, 6/12):
Vṛṣabha · Siṃha · Kanyā · Dhanu · Makara · Mīna

चौघड़िया — Choghaḍiyā Day Windows

Day-1 Chala06:11 – 07:32 (neutral)
Day-2 Labha07:32 – 08:52 (auspicious)
Day-3 Amṛta08:52 – 10:13 (auspicious)
Day-4 Kāla10:13 – 11:34 (inauspicious)
Day-5 Śubha11:34 – 12:54 (auspicious)
Day-6 Roga12:54 – 14:15 (inauspicious)
Day-7 Udveg14:15 – 15:36 (inauspicious)
Day-8 Chala15:36 – 16:56 (neutral)

Choghaḍiyā Night Windows

Night-1 Roga16:56 – 18:36 (inauspicious)
Night-2 Udveg18:36 – 20:15 (inauspicious)
Night-3 Chala20:15 – 21:54 (neutral)
Night-4 Labha21:54 – 23:34 (auspicious)
Night-5 Amṛta23:34 – 01:13 (auspicious)
Night-6 Kāla01:13 – 02:52 (inauspicious)
Night-7 Śubha02:52 – 04:32 (auspicious)
Night-8 Roga04:32 – 06:11 (inauspicious)

Coordinates

Latitude: 22.5726°
Longitude: 88.3639°
Timezone: UTC+5.5
Elevation: 9 m

आज की यात्रा — Today's Walk

5 steps · graha walk
Śukravāra (Friday) — its presiding graha's walk.
Beauty + creativity in dharma + BG 10.36.

🌌 Cosmic-Historical Resonance

Today's Śukla Navamī + Uttara Bhādrapadā alignment also occurred on:
-1626101-04-03Bhagavān Rāma's birth at Ayodhyā (same Śukla Navamī)

Cosmic Time

Kali Year5128
Ahargaṇa (days from Kali epoch)1872927.27
Julian Day2461392.770833
Ayanamsa (Lahiri)24.2296°
Sun-Moon angle (elongation)103.21°
🪷 Provenance & Methodology
Substrate: Vidhyamitra Sūrya-Siddhānta
Method: Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation
Tier-2 city localization: spherical astronomy + Lahiri ayanamsa (24.2296°), declination -23.38°, EoT 2.79 min · verified ±1 min vs Drikpanchang
Lineage: Bhṛgu → Vyāsa → Āryabhaṭa → Brahmagupta → Bhāskara II → Mādhava → Parameśvara → Nīlakaṇṭha → Vidhyamitra Sūrya-Siddhānta substrate
Access: Self-hosted substrate · the deployed website IS the public offering · source not distributed
Computed for: 2026-12-18 (deterministic · request-time stamp removed for cache-friendliness)