{"id":"vidhyamitra:city-day:siliguri:1998-06-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/siliguri/1998-06-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1998-06-01","date_display":"June 1, 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":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":1998,"month":6,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2450965.770833,"kali_year":5100,"ahargana":1862500.2708,"sun":{"sidereal_longitude":46.4169,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":123.6482,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":77.2313,"elapsed_within_tithi_degrees":5.2313},"nakshatra":{"number":10,"name":"Maghā","pada":2,"moon_longitude":123.6482,"elapsed_within_degrees":3.6482},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":170.0652},"karana":{"half_tithi_index":12,"name":"Gara"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":6,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2450965.770833,"ahargana":1862500.2708,"kali_year":5100,"ayanamsa_lahiri":23.8308,"grahas":{"sun":{"sidereal_longitude":46.538341,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":124.926041,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false,"latitude":-0.9442},"mars":{"sidereal_longitude":41.816940999999986,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":35.43574100000001,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":330.853341,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":8.612240999999983,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":5.311441000000002,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":135.7727,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":315.7727,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"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":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":1998,"month":6,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2450965.770833,"kali_year":5100,"ahargana":1862500.2708,"sun":{"sidereal_longitude":46.4169,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":123.6482,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":77.2313,"elapsed_within_tithi_degrees":5.2313},"nakshatra":{"number":10,"name":"Maghā","pada":2,"moon_longitude":123.6482,"elapsed_within_degrees":3.6482},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":170.0652},"karana":{"half_tithi_index":12,"name":"Gara"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.944,"elongation":77.231},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.944,"opposition_distance":102.769}},"eclipse_window_40days":[]},"city":{"slug":"siliguri","name":"Siliguri, West Bengal","lat":26.7271,"lon":88.3953,"tz_offset_hours":5.5,"state":"West Bengal","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"siliguri","name":"Siliguri, West Bengal","lat":26.7271,"lon":88.3953,"tz_offset_hours":5.5,"state":"West Bengal","country":"IN","tier":"tier-1"},"sunriseLocal":"04:43","sunsetLocal":"18:25","solarNoonLocal":"11:34","dayLengthHours":13.702403714777706,"dayLengthDisplay":"13 Hours 42 Mins 09 Secs","nightLengthDisplay":"10 Hours 17 Mins 51 Secs","moonriseLocal":"10:21","moonsetLocal":"23:15","rahuKala":{"name":"Rāhu Kāla","start":"06:26","end":"08:09","startHours":6.42932413961006,"endHours":8.142124603957273,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:51","end":"11:34","startHours":9.854925068304485,"endHours":11.5677255326517,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:17","end":"15:00","startHours":13.280525996998911,"endHours":14.993326461346125,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"07:55","end":"08:22","startHours":7.913751208710977,"endHours":8.370497999203568,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:17","end":"05:39","startHours":5.287457163378583,"endHours":5.652854595772656,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:07","end":"12:01","startHours":11.110978742159109,"endHours":12.024472323144288,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"02:53","end":"03:48","startHours":2.8895365132924855,"endHours":3.803030094277666,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"03:34","end":"04:43","startHours":3.5746566990313706,"endHours":4.716523675262846,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:51","end":"14:46","startHours":13.851459485114649,"endHours":14.76495306609983,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:13","end":"18:37","startHours":18.21892739004055,"endHours":18.61892739004055,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:25","end":"18:59","startHours":18.41892739004055,"endHours":18.98986087815629,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:10","end":"19:55","startHours":18.16892739004055,"endHours":19.91892739004055,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:07","end":"00:01","startHours":23.11097874215911,"endHours":24.02447232314429,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"04:43","end":"06:26","startHours":4.716523675262846,"endHours":6.42932413961006,"quality":"auspicious"},{"name":"Kāla","start":"06:26","end":"08:09","startHours":6.42932413961006,"endHours":8.142124603957273,"quality":"inauspicious"},{"name":"Śubha","start":"08:09","end":"09:51","startHours":8.142124603957273,"endHours":9.854925068304485,"quality":"auspicious"},{"name":"Roga","start":"09:51","end":"11:34","startHours":9.854925068304485,"endHours":11.5677255326517,"quality":"inauspicious"},{"name":"Udveg","start":"11:34","end":"13:17","startHours":11.5677255326517,"endHours":13.280525996998911,"quality":"inauspicious"},{"name":"Chala","start":"13:17","end":"15:00","startHours":13.280525996998911,"endHours":14.993326461346125,"quality":"neutral"},{"name":"Labha","start":"15:00","end":"16:42","startHours":14.993326461346125,"endHours":16.70612692569334,"quality":"auspicious"},{"name":"Amṛta","start":"16:42","end":"18:25","startHours":16.70612692569334,"endHours":18.41892739004055,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:25","end":"19:42","startHours":18.41892739004055,"endHours":19.706126925693336,"quality":"neutral"},{"name":"Labha","start":"19:42","end":"21:00","startHours":19.706126925693336,"endHours":20.993326461346125,"quality":"auspicious"},{"name":"Amṛta","start":"21:00","end":"22:17","startHours":20.993326461346125,"endHours":22.28052599699891,"quality":"auspicious"},{"name":"Kāla","start":"22:17","end":"23:34","startHours":22.28052599699891,"endHours":23.5677255326517,"quality":"inauspicious"},{"name":"Śubha","start":"23:34","end":"00:51","startHours":23.5677255326517,"endHours":24.854925068304485,"quality":"auspicious"},{"name":"Roga","start":"00:51","end":"02:09","startHours":24.854925068304485,"endHours":26.14212460395727,"quality":"inauspicious"},{"name":"Udveg","start":"02:09","end":"03:26","startHours":26.14212460395727,"endHours":27.42932413961006,"quality":"inauspicious"},{"name":"Chala","start":"03:26","end":"04:43","startHours":27.42932413961006,"endHours":28.716523675262845,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"04:43","end":"05:43","startHours":4.716523675262846,"endHours":5.716523675262846,"planetary_lord":"Moon"},{"name":"Hora 2","start":"05:43","end":"06:43","startHours":5.716523675262846,"endHours":6.716523675262846,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"06:43","end":"07:43","startHours":6.716523675262846,"endHours":7.716523675262846,"planetary_lord":"Venus"},{"name":"Hora 4","start":"07:43","end":"08:43","startHours":7.716523675262846,"endHours":8.716523675262845,"planetary_lord":"Sun"},{"name":"Hora 5","start":"08:43","end":"09:43","startHours":8.716523675262845,"endHours":9.716523675262845,"planetary_lord":"Mars"},{"name":"Hora 6","start":"09:43","end":"10:43","startHours":9.716523675262845,"endHours":10.716523675262845,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"10:43","end":"11:43","startHours":10.716523675262845,"endHours":11.716523675262845,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"11:43","end":"12:43","startHours":11.716523675262845,"endHours":12.716523675262845,"planetary_lord":"Moon"},{"name":"Hora 9","start":"12:43","end":"13:43","startHours":12.716523675262845,"endHours":13.716523675262845,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"13:43","end":"14:43","startHours":13.716523675262845,"endHours":14.716523675262845,"planetary_lord":"Venus"},{"name":"Hora 11","start":"14:43","end":"15:43","startHours":14.716523675262845,"endHours":15.716523675262845,"planetary_lord":"Sun"},{"name":"Hora 12","start":"15:43","end":"16:43","startHours":15.716523675262845,"endHours":16.716523675262845,"planetary_lord":"Mars"},{"name":"Hora 13","start":"16:43","end":"17:43","startHours":16.716523675262845,"endHours":17.716523675262845,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"17:43","end":"18:43","startHours":17.716523675262845,"endHours":18.716523675262845,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"18:43","end":"19:43","startHours":18.716523675262845,"endHours":19.716523675262845,"planetary_lord":"Moon"},{"name":"Hora 16","start":"19:43","end":"20:43","startHours":19.716523675262845,"endHours":20.716523675262845,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"20:43","end":"21:43","startHours":20.716523675262845,"endHours":21.716523675262845,"planetary_lord":"Venus"},{"name":"Hora 18","start":"21:43","end":"22:43","startHours":21.716523675262845,"endHours":22.716523675262845,"planetary_lord":"Sun"},{"name":"Hora 19","start":"22:43","end":"23:43","startHours":22.716523675262845,"endHours":23.716523675262845,"planetary_lord":"Mars"},{"name":"Hora 20","start":"23:43","end":"00:43","startHours":23.716523675262845,"endHours":24.716523675262845,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"00:43","end":"01:43","startHours":24.716523675262845,"endHours":25.716523675262845,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"01:43","end":"02:43","startHours":25.716523675262845,"endHours":26.716523675262845,"planetary_lord":"Moon"},{"name":"Hora 23","start":"02:43","end":"03:43","startHours":26.716523675262845,"endHours":27.716523675262845,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"03:43","end":"04:43","startHours":27.716523675262845,"endHours":28.716523675262845,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"West","rahuVasa":"North-East","anandadiYoga":{"name":"Padma","quality":"Auspicious"},"tropicalRitu":"Grīṣma (Summer) (tropical)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":22.00051430502361,"eotMinutes":2.3552680408980873,"ayanamsa":23.8308}},"calendars":{"vikram_samvat":2055,"vikram_samvatsara":"Khara","saka_samvat":1920,"saka_samvatsara":"Bahudhānya","bengali_samvat":1405,"malayalam_era":1174,"nanakshahi_year":529,"lunar_month":"Jyeṣṭha","lunar_month_paksha_full":"Jyeṣṭha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Jyeṣṭha","lunar_month_amanta":"Jyeṣṭha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Vṛṣabha (Vaikāsi)","ritu":"Grīṣma (Summer)","display_summary":"Jyeṣṭha Śukla Saptamī · Vikram 2055 Khara · Śaka 1920 Bahudhānya"},"festivals":[],"todays_walk":{"walk":{"id":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"siliguri"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga June 1, 1998 CE · Siliguri, West Bengal · Vidhyamitra","description":"June 1, 1998 CE for Siliguri, West Bengal: Śukla Saptamī, sūryodaya 04:43, sūryāsta 18:25.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/siliguri/1998-06-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/siliguri/1998-06-01","sa":"https://sa.vidhyamitra.com/city/siliguri/1998-06-01","hi":"https://hi.vidhyamitra.com/city/siliguri/1998-06-01","x-default":"https://vidhyamitra.com/city/siliguri/1998-06-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T02:35:04.758Z","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":"2026-06-02T02:35:04.758Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T02:35:04.758Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}