{"id":"vidhyamitra:city-day:rishikesh:1987-03-27:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1987-03-27","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1987-03-27","date_display":"March 27, 1987 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":1987,"month":3,"day":27,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2446881.770833,"kali_year":5088,"ahargana":1858416.2708,"sun":{"sidereal_longitude":342.3721,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":311.7437,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":329.3716,"elapsed_within_tithi_degrees":5.3716},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2,"moon_longitude":311.7437,"elapsed_within_degrees":5.0771},"yoga":{"number":23,"name":"Śubha","sum_longitude":294.1159},"karana":{"half_tithi_index":54,"name":"Gara"},"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":1987,"month":3,"day":27,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2446881.770833,"ahargana":1858416.2708,"kali_year":5088,"ayanamsa_lahiri":23.6746,"grahas":{"sun":{"sidereal_longitude":342.16758,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":310.02378,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":false,"latitude":-2.9159},"mars":{"sidereal_longitude":30.033979999999985,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":314.60158,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":342.90427999999997,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":304.5584799999999,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":237.12268000000006,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":352.1626,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":172.1626,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","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":"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":1987,"month":3,"day":27,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2446881.770833,"kali_year":5088,"ahargana":1858416.2708,"sun":{"sidereal_longitude":342.3721,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":311.7437,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":329.3716,"elapsed_within_tithi_degrees":5.3716},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2,"moon_longitude":311.7437,"elapsed_within_degrees":5.0771},"yoga":{"number":23,"name":"Śubha","sum_longitude":294.1159},"karana":{"half_tithi_index":54,"name":"Gara"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.916,"elongation":30.628},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.916,"opposition_distance":149.372}},"eclipse_window_40days":[{"offset_days":18,"type":"lunar","occurs":true,"moon_latitude":-0.548,"opposition_distance":1.846}]},"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":"06:14","sunsetLocal":"18:32","solarNoonLocal":"12:23","dayLengthHours":12.307881355355157,"dayLengthDisplay":"12 Hours 18 Mins 28 Secs","nightLengthDisplay":"11 Hours 41 Mins 32 Secs","moonriseLocal":"04:35","moonsetLocal":"15:53","rahuKala":{"name":"Rāhu Kāla","start":"10:51","end":"12:23","startHours":10.842681649285481,"endHours":12.381166818704877,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:27","end":"17:00","startHours":15.458137157543664,"endHours":16.99662232696306,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:46","end":"09:18","startHours":7.765711310446692,"endHours":9.304196479866086,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:06","end":"09:31","startHours":9.0990651239435,"endHours":9.509327835788673,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:44","end":"07:04","startHours":6.7400545308337625,"endHours":7.0682647003099,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:58","end":"12:47","startHours":11.970904106859704,"endHours":12.79142953055005,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:35","end":"05:24","startHours":4.58617529364661,"endHours":5.406700717336953,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:12","end":"06:14","startHours":5.201569361414368,"endHours":6.227226141027297,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:26","end":"15:15","startHours":14.432480377930734,"endHours":15.253005801621077,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:20","end":"18:44","startHours":18.335107496382456,"endHours":18.735107496382454,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:32","end":"19:03","startHours":18.535107496382455,"endHours":19.04793588618892,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:17","end":"20:02","startHours":18.285107496382455,"endHours":20.035107496382455,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:58","end":"00:47","startHours":23.970904106859706,"endHours":24.791429530550047,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"06:14","end":"07:46","startHours":6.227226141027297,"endHours":7.765711310446692,"quality":"neutral"},{"name":"Labha","start":"07:46","end":"09:18","startHours":7.765711310446692,"endHours":9.304196479866086,"quality":"auspicious"},{"name":"Amṛta","start":"09:18","end":"10:51","startHours":9.304196479866086,"endHours":10.842681649285481,"quality":"auspicious"},{"name":"Kāla","start":"10:51","end":"12:23","startHours":10.842681649285481,"endHours":12.381166818704877,"quality":"inauspicious"},{"name":"Śubha","start":"12:23","end":"13:55","startHours":12.381166818704877,"endHours":13.91965198812427,"quality":"auspicious"},{"name":"Roga","start":"13:55","end":"15:27","startHours":13.91965198812427,"endHours":15.458137157543664,"quality":"inauspicious"},{"name":"Udveg","start":"15:27","end":"17:00","startHours":15.458137157543664,"endHours":16.99662232696306,"quality":"inauspicious"},{"name":"Chala","start":"17:00","end":"18:32","startHours":16.99662232696306,"endHours":18.535107496382455,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:32","end":"20:00","startHours":18.535107496382455,"endHours":19.99662232696306,"quality":"inauspicious"},{"name":"Udveg","start":"20:00","end":"21:27","startHours":19.99662232696306,"endHours":21.458137157543668,"quality":"inauspicious"},{"name":"Chala","start":"21:27","end":"22:55","startHours":21.458137157543668,"endHours":22.919651988124272,"quality":"neutral"},{"name":"Labha","start":"22:55","end":"00:23","startHours":22.919651988124272,"endHours":24.381166818704877,"quality":"auspicious"},{"name":"Amṛta","start":"00:23","end":"01:51","startHours":24.381166818704877,"endHours":25.84268164928548,"quality":"auspicious"},{"name":"Kāla","start":"01:51","end":"03:18","startHours":25.84268164928548,"endHours":27.304196479866086,"quality":"inauspicious"},{"name":"Śubha","start":"03:18","end":"04:46","startHours":27.304196479866086,"endHours":28.765711310446694,"quality":"auspicious"},{"name":"Roga","start":"04:46","end":"06:14","startHours":28.765711310446694,"endHours":30.227226141027298,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:14","end":"07:14","startHours":6.227226141027297,"endHours":7.227226141027297,"planetary_lord":"Venus"},{"name":"Hora 2","start":"07:14","end":"08:14","startHours":7.227226141027297,"endHours":8.227226141027298,"planetary_lord":"Sun"},{"name":"Hora 3","start":"08:14","end":"09:14","startHours":8.227226141027298,"endHours":9.227226141027298,"planetary_lord":"Mars"},{"name":"Hora 4","start":"09:14","end":"10:14","startHours":9.227226141027298,"endHours":10.227226141027298,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"10:14","end":"11:14","startHours":10.227226141027298,"endHours":11.227226141027298,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"11:14","end":"12:14","startHours":11.227226141027298,"endHours":12.227226141027298,"planetary_lord":"Moon"},{"name":"Hora 7","start":"12:14","end":"13:14","startHours":12.227226141027298,"endHours":13.227226141027298,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"13:14","end":"14:14","startHours":13.227226141027298,"endHours":14.227226141027298,"planetary_lord":"Venus"},{"name":"Hora 9","start":"14:14","end":"15:14","startHours":14.227226141027298,"endHours":15.227226141027298,"planetary_lord":"Sun"},{"name":"Hora 10","start":"15:14","end":"16:14","startHours":15.227226141027298,"endHours":16.227226141027298,"planetary_lord":"Mars"},{"name":"Hora 11","start":"16:14","end":"17:14","startHours":16.227226141027298,"endHours":17.227226141027298,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"17:14","end":"18:14","startHours":17.227226141027298,"endHours":18.227226141027298,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"18:14","end":"19:14","startHours":18.227226141027298,"endHours":19.227226141027298,"planetary_lord":"Moon"},{"name":"Hora 14","start":"19:14","end":"20:14","startHours":19.227226141027298,"endHours":20.227226141027298,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"20:14","end":"21:14","startHours":20.227226141027298,"endHours":21.227226141027298,"planetary_lord":"Venus"},{"name":"Hora 16","start":"21:14","end":"22:14","startHours":21.227226141027298,"endHours":22.227226141027298,"planetary_lord":"Sun"},{"name":"Hora 17","start":"22:14","end":"23:14","startHours":22.227226141027298,"endHours":23.227226141027298,"planetary_lord":"Mars"},{"name":"Hora 18","start":"23:14","end":"00:14","startHours":23.227226141027298,"endHours":24.227226141027298,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"00:14","end":"01:14","startHours":24.227226141027298,"endHours":25.227226141027298,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"01:14","end":"02:14","startHours":25.227226141027298,"endHours":26.227226141027298,"planetary_lord":"Moon"},{"name":"Hora 21","start":"02:14","end":"03:14","startHours":26.227226141027298,"endHours":27.227226141027298,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"03:14","end":"04:14","startHours":27.227226141027298,"endHours":28.227226141027298,"planetary_lord":"Venus"},{"name":"Hora 23","start":"04:14","end":"05:14","startHours":28.227226141027298,"endHours":29.227226141027298,"planetary_lord":"Sun"},{"name":"Hora 24","start":"05:14","end":"06:14","startHours":29.227226141027298,"endHours":30.227226141027298,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Dhanu","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Makara","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"South","rahuVasa":"South-East","anandadiYoga":{"name":"Utpāta","quality":"Inauspicious"},"tropicalRitu":"Vasanta (Spring) (tropical)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":2.3202344086110753,"eotMinutes":-5.940409122292583,"ayanamsa":23.6746}},"calendars":{"vikram_samvat":2044,"vikram_samvatsara":"Vikrama","saka_samvat":1909,"saka_samvatsara":"Prabhava","bengali_samvat":1394,"malayalam_era":1163,"nanakshahi_year":518,"lunar_month":"Caitra","lunar_month_paksha_full":"Caitra Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Caitra","lunar_month_amanta":"Phālguna","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mīna (Paṅkuṇi)","ritu":"Vasanta (Spring)","display_summary":"Caitra Kṛṣṇa Trayodaśī · Vikram 2044 Vikrama · Śaka 1909 Prabhava"},"festivals":[{"id":"pradosha-vrata","name":"Pradoṣa Vrata","name_sanskrit":"प्रदोष व्रत","tradition":"Shaiva","associated_deity":"Śiva","significance":"Twilight worship of Śiva on Trayodaśī.","vrata":true,"detection":{"any_of":[{"tithi_number":13},{"tithi_number":28}]},"precedence":7}],"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":"rishikesh"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga March 27, 1987 CE · Ṛṣikeśa · Vidhyamitra","description":"March 27, 1987 CE for Ṛṣikeśa: Kṛṣṇa Trayodaśī, sūryodaya 06:14, sūryāsta 18:32.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1987-03-27","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1987-03-27","sa":"https://sa.vidhyamitra.com/city/rishikesh/1987-03-27","hi":"https://hi.vidhyamitra.com/city/rishikesh/1987-03-27","x-default":"https://vidhyamitra.com/city/rishikesh/1987-03-27"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T11:52:07.425Z","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":"2026-05-31T11:52:07.425Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T11:52:07.425Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}