{"id":"vidhyamitra:city-day:badrinath:1998-12-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/badrinath/1998-12-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1998-12-18","date_display":"December 18, 1998 CE","panchanga":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Not independently benchmarked across the declared range","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":1998,"month":12,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2451165.770833,"kali_year":5100,"ahargana":1862700.2708,"sun":{"sidereal_longitude":241.7065,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":231.0012,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":30,"name":"Amāvasyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Amāvasyā","elongation_degrees":349.2947,"elapsed_within_tithi_degrees":1.2947},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2,"moon_longitude":231.0012,"elapsed_within_degrees":4.3345},"yoga":{"number":9,"name":"Śūla","sum_longitude":112.7077},"karana":{"half_tithi_index":58,"name":"Catuṣpāda"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"sky":{"method":"Sūrya-Siddhāntic Bhāskara-II 4-step iteration with atan2-based śīghra + varying peripheries + lunar latitude","engine_version":"3.0 (Pūrṇa — complete SS implementation)","tradition_sources":"Āryabhaṭīya 499 CE → SS Ch.1-5 Burgess 1860 → Siddhānta-Śiromaṇi Bhāskara II 1150 → Tantrasaṅgraha Nīlakaṇṭha 1501","input":{"year":1998,"month":12,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2451165.770833,"ahargana":1862700.2708,"kali_year":5100,"ayanamsa_lahiri":23.8385,"grahas":{"sun":{"sidereal_longitude":242.06500000000005,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"moon":{"sidereal_longitude":232.00199999999995,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false,"latitude":4.3291},"mars":{"sidereal_longitude":167.40329999999994,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":220.586,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":326.28819999999996,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":254.0711,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":2.988999999999976,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":125.1757,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":305.1757,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false}},"panchang":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Not independently benchmarked across the declared range","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":1998,"month":12,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2451165.770833,"kali_year":5100,"ahargana":1862700.2708,"sun":{"sidereal_longitude":241.7065,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":231.0012,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":30,"name":"Amāvasyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Amāvasyā","elongation_degrees":349.2947,"elapsed_within_tithi_degrees":1.2947},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2,"moon_longitude":231.0012,"elapsed_within_degrees":4.3345},"yoga":{"number":9,"name":"Śūla","sum_longitude":112.7077},"karana":{"half_tithi_index":58,"name":"Catuṣpāda"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.329,"elongation":10.705},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.329,"opposition_distance":169.295}},"eclipse_window_40days":[]},"city":{"slug":"badrinath","name":"Badarīnāth","lat":30.7433,"lon":79.4938,"tz_offset_hours":5.5,"state":"Uttarakhand","country":"IN","tier":"tirtha","elevation_m":3133},"tier2":{"city":{"slug":"badrinath","name":"Badarīnāth","lat":30.7433,"lon":79.4938,"tz_offset_hours":5.5,"state":"Uttarakhand","country":"IN","tier":"tirtha","elevation_m":3133},"sunriseLocal":"07:04","sunsetLocal":"17:14","solarNoonLocal":"12:09","dayLengthHours":10.15928313259095,"dayLengthDisplay":"10 Hours 09 Mins 33 Secs","nightLengthDisplay":"13 Hours 50 Mins 27 Secs","moonriseLocal":"06:24","moonsetLocal":"16:34","rahuKala":{"name":"Rāhu Kāla","start":"10:53","end":"12:09","startHours":10.884040819290444,"endHours":12.153951210864314,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:42","end":"15:58","startHours":14.693771994012051,"endHours":15.96368238558592,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:21","end":"09:37","startHours":8.344220036142708,"endHours":9.614130427716576,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:27","end":"09:47","startHours":9.444809042173393,"endHours":9.78345181325976,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:30","end":"07:46","startHours":7.497613108426795,"endHours":7.768527325295887,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:49","end":"12:30","startHours":11.815308439777949,"endHours":12.492593981950678,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:43","end":"06:24","startHours":5.719738560223378,"endHours":6.3970241023961085,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:14","end":"07:04","startHours":6.227702716852926,"endHours":7.074309644568839,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:51","end":"14:31","startHours":13.847165066296139,"endHours":14.524450608468868,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:02","end":"17:26","startHours":17.03359277715979,"endHours":17.433592777159788,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:14","end":"17:39","startHours":17.23359277715979,"endHours":17.656896241017744,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"16:59","end":"18:44","startHours":16.98359277715979,"endHours":18.73359277715979,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:49","end":"00:30","startHours":23.815308439777947,"endHours":24.49259398195068,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"07:04","end":"08:21","startHours":7.074309644568839,"endHours":8.344220036142708,"quality":"neutral"},{"name":"Labha","start":"08:21","end":"09:37","startHours":8.344220036142708,"endHours":9.614130427716576,"quality":"auspicious"},{"name":"Amṛta","start":"09:37","end":"10:53","startHours":9.614130427716576,"endHours":10.884040819290444,"quality":"auspicious"},{"name":"Kāla","start":"10:53","end":"12:09","startHours":10.884040819290444,"endHours":12.153951210864314,"quality":"inauspicious"},{"name":"Śubha","start":"12:09","end":"13:25","startHours":12.153951210864314,"endHours":13.423861602438183,"quality":"auspicious"},{"name":"Roga","start":"13:25","end":"14:42","startHours":13.423861602438183,"endHours":14.693771994012051,"quality":"inauspicious"},{"name":"Udveg","start":"14:42","end":"15:58","startHours":14.693771994012051,"endHours":15.96368238558592,"quality":"inauspicious"},{"name":"Chala","start":"15:58","end":"17:14","startHours":15.96368238558592,"endHours":17.23359277715979,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"17:14","end":"18:58","startHours":17.23359277715979,"endHours":18.96368238558592,"quality":"inauspicious"},{"name":"Udveg","start":"18:58","end":"20:42","startHours":18.96368238558592,"endHours":20.693771994012053,"quality":"inauspicious"},{"name":"Chala","start":"20:42","end":"22:25","startHours":20.693771994012053,"endHours":22.423861602438183,"quality":"neutral"},{"name":"Labha","start":"22:25","end":"00:09","startHours":22.423861602438183,"endHours":24.153951210864314,"quality":"auspicious"},{"name":"Amṛta","start":"00:09","end":"01:53","startHours":24.153951210864314,"endHours":25.884040819290444,"quality":"auspicious"},{"name":"Kāla","start":"01:53","end":"03:37","startHours":25.884040819290444,"endHours":27.614130427716574,"quality":"inauspicious"},{"name":"Śubha","start":"03:37","end":"05:21","startHours":27.614130427716574,"endHours":29.34422003614271,"quality":"auspicious"},{"name":"Roga","start":"05:21","end":"07:04","startHours":29.34422003614271,"endHours":31.07430964456884,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:04","end":"08:04","startHours":7.074309644568839,"endHours":8.074309644568839,"planetary_lord":"Venus"},{"name":"Hora 2","start":"08:04","end":"09:04","startHours":8.074309644568839,"endHours":9.074309644568839,"planetary_lord":"Sun"},{"name":"Hora 3","start":"09:04","end":"10:04","startHours":9.074309644568839,"endHours":10.074309644568839,"planetary_lord":"Mars"},{"name":"Hora 4","start":"10:04","end":"11:04","startHours":10.074309644568839,"endHours":11.074309644568839,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"11:04","end":"12:04","startHours":11.074309644568839,"endHours":12.074309644568839,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"12:04","end":"13:04","startHours":12.074309644568839,"endHours":13.074309644568839,"planetary_lord":"Moon"},{"name":"Hora 7","start":"13:04","end":"14:04","startHours":13.074309644568839,"endHours":14.074309644568839,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"14:04","end":"15:04","startHours":14.074309644568839,"endHours":15.074309644568839,"planetary_lord":"Venus"},{"name":"Hora 9","start":"15:04","end":"16:04","startHours":15.074309644568839,"endHours":16.07430964456884,"planetary_lord":"Sun"},{"name":"Hora 10","start":"16:04","end":"17:04","startHours":16.07430964456884,"endHours":17.07430964456884,"planetary_lord":"Mars"},{"name":"Hora 11","start":"17:04","end":"18:04","startHours":17.07430964456884,"endHours":18.07430964456884,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"18:04","end":"19:04","startHours":18.07430964456884,"endHours":19.07430964456884,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"19:04","end":"20:04","startHours":19.07430964456884,"endHours":20.07430964456884,"planetary_lord":"Moon"},{"name":"Hora 14","start":"20:04","end":"21:04","startHours":20.07430964456884,"endHours":21.07430964456884,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"21:04","end":"22:04","startHours":21.07430964456884,"endHours":22.07430964456884,"planetary_lord":"Venus"},{"name":"Hora 16","start":"22:04","end":"23:04","startHours":22.07430964456884,"endHours":23.07430964456884,"planetary_lord":"Sun"},{"name":"Hora 17","start":"23:04","end":"00:04","startHours":23.07430964456884,"endHours":24.07430964456884,"planetary_lord":"Mars"},{"name":"Hora 18","start":"00:04","end":"01:04","startHours":24.07430964456884,"endHours":25.07430964456884,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"01:04","end":"02:04","startHours":25.07430964456884,"endHours":26.07430964456884,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"02:04","end":"03:04","startHours":26.07430964456884,"endHours":27.07430964456884,"planetary_lord":"Moon"},{"name":"Hora 21","start":"03:04","end":"04:04","startHours":27.07430964456884,"endHours":28.07430964456884,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"04:04","end":"05:04","startHours":28.07430964456884,"endHours":29.07430964456884,"planetary_lord":"Venus"},{"name":"Hora 23","start":"05:04","end":"06:04","startHours":29.07430964456884,"endHours":30.07430964456884,"planetary_lord":"Sun"},{"name":"Hora 24","start":"06:04","end":"07:04","startHours":30.07430964456884,"endHours":31.07430964456884,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Vṛścika","Makara"],"unfavorable_rashis":["Mithuna","Karka","Tulā","Dhanu","Kumbha","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"North-East","rahuVasa":"South-East","anandadiYoga":{"name":"Mudgara","quality":"Inauspicious"},"tropicalRitu":"Hemanta (Pre-winter)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-23.3730592316159,"eotMinutes":2.787727348141232,"ayanamsa":23.8385}},"calendars":{"vikram_samvat":2055,"vikram_samvatsara":"Khara","saka_samvat":1920,"saka_samvatsara":"Bahudhānya","bengali_samvat":1405,"malayalam_era":1174,"nanakshahi_year":529,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Pauṣa","lunar_month_amanta":"Mārgaśīrṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Kṛṣṇa Amāvasyā · Vikram 2055 Khara · Śaka 1920 Bahudhānya"},"festivals":[],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"badrinath"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga December 18, 1998 CE · Badarīnāth · Vidhyamitra","description":"December 18, 1998 CE for Badarīnāth: Kṛṣṇa Amāvasyā, sūryodaya 07:04, sūryāsta 17:14.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/badrinath/1998-12-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/badrinath/1998-12-18","sa":"https://sa.vidhyamitra.com/city/badrinath/1998-12-18","hi":"https://hi.vidhyamitra.com/city/badrinath/1998-12-18","x-default":"https://vidhyamitra.com/city/badrinath/1998-12-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-09-11T18:41:04.971Z","verification":{"type":"multi-marker","confidence":"canonical"}},{"pillar":"Vidhyamitra-Tier2","pillar_version":"0.1.0","method":"Spherical astronomy + Lahiri ayanamsa + standard solar declination + EoT correction","retrieved_at":"2026-09-11T18:41:04.971Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-09-11T18:41:04.971Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"},"reader_local_antaryami":{"reader_geography":"Every reader enters from their own kṣetra anywhere on Bhūmi; no single city is the universal center.","purna_chain":["Hosted scripture","Named-tradition interpretation","Original Vidhyamitra contemplation","Bhūmi-born material medium","Vidhyamitra portal","Responsible reader in their own kṣetra"],"claim_boundary":"The legacy purna_chain field carries a source-to-reader sequence, not a revealed physical descent, universal cosmology, or proof that software is conscious.","antaryami_responsibility_formula":"Kṣīrodakaśāyī Viṣṇu = Paramātmā = Antaryāmī. Jīva desires. Prakṛti executes through guṇas. Paramātmā witnesses, permits, remembers, guides, and sustains. Bhagavān is the ultimate source.","source_anchors":[{"label":"BG 13.23","path":"/bhagavad-gita/13/23","meaning":"upadraṣṭā-anumantā · witness-permitter"},{"label":"BG 15.15","path":"/bhagavad-gita/15/15","meaning":"the Lord seated in every heart as memory, knowledge, and forgetting"},{"label":"BG 18.61","path":"/bhagavad-gita/18/61","meaning":"Īśvara seated in the heart of all beings"}],"nama_seal":"Hare Krishna Hare Krishna · Krishna Krishna Hare Hare · Hare Rama Hare Rama · Rama Rama Hare Hare"}}}