{"id":"vidhyamitra:city-day:rishikesh:1998-06-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/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":"rishikesh","name":"Ṛṣikeśa","lat":30.0869,"lon":78.2676,"tz_offset_hours":5.5,"state":"Uttarakhand","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"rishikesh","name":"Ṛṣikeśa","lat":30.0869,"lon":78.2676,"tz_offset_hours":5.5,"state":"Uttarakhand","country":"IN","tier":"tirtha"},"sunriseLocal":"05:16","sunsetLocal":"19:13","solarNoonLocal":"12:15","dayLengthHours":13.947776312683596,"dayLengthDisplay":"13 Hours 56 Mins 52 Secs","nightLengthDisplay":"10 Hours 03 Mins 08 Secs","moonriseLocal":"10:57","moonsetLocal":"23:59","rahuKala":{"name":"Rāhu Kāla","start":"07:01","end":"08:45","startHours":7.012489415395351,"endHours":8.7559614544808,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:30","end":"12:15","startHours":10.49943349356625,"endHours":12.242905532651701,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:59","end":"15:44","startHours":13.98637757173715,"endHours":15.7298496108226,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:31","end":"08:59","startHours":8.523498515936074,"endHours":8.988424393025529,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:51","end":"06:13","startHours":5.850174722671719,"endHours":6.222115424343281,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:47","end":"12:42","startHours":11.777979655562246,"endHours":12.707831409741152,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:25","end":"04:20","startHours":3.4093138679520893,"endHours":4.339165622130996,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:06","end":"05:16","startHours":4.106702683586269,"endHours":5.269017376309902,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:34","end":"15:30","startHours":14.567534918098966,"endHours":15.497386672277873,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:01","end":"19:25","startHours":19.0167936889935,"endHours":19.416793688993497,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:13","end":"19:48","startHours":19.216793688993498,"endHours":19.797951035355315,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:58","end":"20:43","startHours":18.966793688993498,"endHours":20.716793688993498,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:47","end":"00:42","startHours":23.777979655562245,"endHours":24.70783140974115,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"05:16","end":"07:01","startHours":5.269017376309902,"endHours":7.012489415395351,"quality":"auspicious"},{"name":"Kāla","start":"07:01","end":"08:45","startHours":7.012489415395351,"endHours":8.7559614544808,"quality":"inauspicious"},{"name":"Śubha","start":"08:45","end":"10:30","startHours":8.7559614544808,"endHours":10.49943349356625,"quality":"auspicious"},{"name":"Roga","start":"10:30","end":"12:15","startHours":10.49943349356625,"endHours":12.242905532651701,"quality":"inauspicious"},{"name":"Udveg","start":"12:15","end":"13:59","startHours":12.242905532651701,"endHours":13.98637757173715,"quality":"inauspicious"},{"name":"Chala","start":"13:59","end":"15:44","startHours":13.98637757173715,"endHours":15.7298496108226,"quality":"neutral"},{"name":"Labha","start":"15:44","end":"17:28","startHours":15.7298496108226,"endHours":17.473321649908048,"quality":"auspicious"},{"name":"Amṛta","start":"17:28","end":"19:13","startHours":17.473321649908048,"endHours":19.216793688993498,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"19:13","end":"20:28","startHours":19.216793688993498,"endHours":20.473321649908048,"quality":"neutral"},{"name":"Labha","start":"20:28","end":"21:44","startHours":20.473321649908048,"endHours":21.729849610822598,"quality":"auspicious"},{"name":"Amṛta","start":"21:44","end":"22:59","startHours":21.729849610822598,"endHours":22.98637757173715,"quality":"auspicious"},{"name":"Kāla","start":"22:59","end":"00:15","startHours":22.98637757173715,"endHours":24.2429055326517,"quality":"inauspicious"},{"name":"Śubha","start":"00:15","end":"01:30","startHours":24.2429055326517,"endHours":25.49943349356625,"quality":"auspicious"},{"name":"Roga","start":"01:30","end":"02:45","startHours":25.49943349356625,"endHours":26.7559614544808,"quality":"inauspicious"},{"name":"Udveg","start":"02:45","end":"04:01","startHours":26.7559614544808,"endHours":28.01248941539535,"quality":"inauspicious"},{"name":"Chala","start":"04:01","end":"05:16","startHours":28.01248941539535,"endHours":29.269017376309904,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"05:16","end":"06:16","startHours":5.269017376309902,"endHours":6.269017376309902,"planetary_lord":"Moon"},{"name":"Hora 2","start":"06:16","end":"07:16","startHours":6.269017376309902,"endHours":7.269017376309902,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"07:16","end":"08:16","startHours":7.269017376309902,"endHours":8.269017376309902,"planetary_lord":"Venus"},{"name":"Hora 4","start":"08:16","end":"09:16","startHours":8.269017376309902,"endHours":9.269017376309902,"planetary_lord":"Sun"},{"name":"Hora 5","start":"09:16","end":"10:16","startHours":9.269017376309902,"endHours":10.269017376309902,"planetary_lord":"Mars"},{"name":"Hora 6","start":"10:16","end":"11:16","startHours":10.269017376309902,"endHours":11.269017376309902,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"11:16","end":"12:16","startHours":11.269017376309902,"endHours":12.269017376309902,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"12:16","end":"13:16","startHours":12.269017376309902,"endHours":13.269017376309902,"planetary_lord":"Moon"},{"name":"Hora 9","start":"13:16","end":"14:16","startHours":13.269017376309902,"endHours":14.269017376309902,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"14:16","end":"15:16","startHours":14.269017376309902,"endHours":15.269017376309902,"planetary_lord":"Venus"},{"name":"Hora 11","start":"15:16","end":"16:16","startHours":15.269017376309902,"endHours":16.269017376309904,"planetary_lord":"Sun"},{"name":"Hora 12","start":"16:16","end":"17:16","startHours":16.269017376309904,"endHours":17.269017376309904,"planetary_lord":"Mars"},{"name":"Hora 13","start":"17:16","end":"18:16","startHours":17.269017376309904,"endHours":18.269017376309904,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"18:16","end":"19:16","startHours":18.269017376309904,"endHours":19.269017376309904,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"19:16","end":"20:16","startHours":19.269017376309904,"endHours":20.269017376309904,"planetary_lord":"Moon"},{"name":"Hora 16","start":"20:16","end":"21:16","startHours":20.269017376309904,"endHours":21.269017376309904,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"21:16","end":"22:16","startHours":21.269017376309904,"endHours":22.269017376309904,"planetary_lord":"Venus"},{"name":"Hora 18","start":"22:16","end":"23:16","startHours":22.269017376309904,"endHours":23.269017376309904,"planetary_lord":"Sun"},{"name":"Hora 19","start":"23:16","end":"00:16","startHours":23.269017376309904,"endHours":24.269017376309904,"planetary_lord":"Mars"},{"name":"Hora 20","start":"00:16","end":"01:16","startHours":24.269017376309904,"endHours":25.269017376309904,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"01:16","end":"02:16","startHours":25.269017376309904,"endHours":26.269017376309904,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"02:16","end":"03:16","startHours":26.269017376309904,"endHours":27.269017376309904,"planetary_lord":"Moon"},{"name":"Hora 23","start":"03:16","end":"04:16","startHours":27.269017376309904,"endHours":28.269017376309904,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"04:16","end":"05:16","startHours":28.269017376309904,"endHours":29.269017376309904,"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"},"drikRitu":"Grīṣma (Summer) (Drik)","vedicRitu":"Vasanta (Spring)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","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","solar_month":"Vṛṣabha (Vaikāsi)","ritu":"Grīṣma (Summer)","display_summary":"Jyeṣṭha Śukla Saptamī · Vikram 2055 Khara · Śaka 1920 Bahudhānya"},"festivals":[{"id":"vrishabha-sankranti","name":"Vṛṣabha Saṅkrānti","name_sanskrit":"वृषभ सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Taurus.","vrata":false,"detection":{"sun_rashi":"Vṛṣabha"},"precedence":5}],"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":"rishikesh"},"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 · Ṛṣikeśa · Vidhyamitra","description":"June 1, 1998 CE for Ṛṣikeśa: Śukla Saptamī, sūryodaya 05:16, sūryāsta 19:13.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1998-06-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1998-06-01","sa":"https://sa.vidhyamitra.com/city/rishikesh/1998-06-01","hi":"https://hi.vidhyamitra.com/city/rishikesh/1998-06-01","x-default":"https://vidhyamitra.com/city/rishikesh/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":"2026-05-17T01:42:18.441Z","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":"2026-05-17T01:42:18.441Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-17T01:42:18.441Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}