{"id":"vidhyamitra:city-day:rishikesh:1955-09-28:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1955-09-28","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1955-09-28","date_display":"September 28, 1955 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":1955,"month":9,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2435378.770833,"kali_year":5057,"ahargana":1846913.2708,"sun":{"sidereal_longitude":160.2689,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":293.9183,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":133.6494,"elapsed_within_tithi_degrees":1.6494},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1,"moon_longitude":293.9183,"elapsed_within_degrees":0.585},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":94.1872},"karana":{"half_tithi_index":22,"name":"Bava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":1955,"month":9,"day":28,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2435378.770833,"ahargana":1846913.2708,"kali_year":5057,"ayanamsa_lahiri":23.2347,"grahas":{"sun":{"sidereal_longitude":160.905979,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"moon":{"sidereal_longitude":294.273279,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false,"latitude":3.5578},"mars":{"sidereal_longitude":147.526679,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":185.57637899999997,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":true},"jupiter":{"sidereal_longitude":119.28267899999997,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":168.72127899999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":205.33707900000002,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":241.6469,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":61.6469,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","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":1955,"month":9,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2435378.770833,"kali_year":5057,"ahargana":1846913.2708,"sun":{"sidereal_longitude":160.2689,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":293.9183,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":133.6494,"elapsed_within_tithi_degrees":1.6494},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1,"moon_longitude":293.9183,"elapsed_within_degrees":0.585},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":94.1872},"karana":{"half_tithi_index":22,"name":"Bava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.558,"elongation":133.649},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.558,"opposition_distance":46.351}},"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":"06:07","sunsetLocal":"18:07","solarNoonLocal":"12:07","dayLengthHours":12.00124647740131,"dayLengthDisplay":"12 Hours 00 Mins 04 Secs","nightLengthDisplay":"11 Hours 59 Mins 56 Secs","moonriseLocal":"15:35","moonsetLocal":"02:26","rahuKala":{"name":"Rāhu Kāla","start":"12:07","end":"13:37","startHours":12.112480174869713,"endHours":13.612635984544877,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:37","end":"09:07","startHours":7.612012745844221,"endHours":9.112168555519386,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:37","end":"12:07","startHours":10.61232436519455,"endHours":12.112480174869713,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:55","end":"09:19","startHours":8.91214778089603,"endHours":9.31218933014274,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:37","end":"06:56","startHours":6.6119088727274455,"endHours":6.931942112124814,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:43","end":"12:31","startHours":11.712438625623003,"endHours":12.512521724116423,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:31","end":"05:19","startHours":4.511690739182216,"endHours":5.311773837675637,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:07","end":"06:07","startHours":5.111753063052282,"endHours":6.111856936169057,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:07","end":"14:55","startHours":14.112687921103262,"endHours":14.912771019596683,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:55","end":"18:19","startHours":17.91310341357037,"endHours":18.313103413570367,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:07","end":"18:37","startHours":18.113103413570368,"endHours":18.613155350128757,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:52","end":"19:37","startHours":17.863103413570368,"endHours":19.613103413570368,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:43","end":"00:31","startHours":23.712438625623,"endHours":24.512521724116425,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"06:07","end":"07:37","startHours":6.111856936169057,"endHours":7.612012745844221,"quality":"auspicious"},{"name":"Amṛta","start":"07:37","end":"09:07","startHours":7.612012745844221,"endHours":9.112168555519386,"quality":"auspicious"},{"name":"Kāla","start":"09:07","end":"10:37","startHours":9.112168555519386,"endHours":10.61232436519455,"quality":"inauspicious"},{"name":"Śubha","start":"10:37","end":"12:07","startHours":10.61232436519455,"endHours":12.112480174869713,"quality":"auspicious"},{"name":"Roga","start":"12:07","end":"13:37","startHours":12.112480174869713,"endHours":13.612635984544877,"quality":"inauspicious"},{"name":"Udveg","start":"13:37","end":"15:07","startHours":13.612635984544877,"endHours":15.11279179422004,"quality":"inauspicious"},{"name":"Chala","start":"15:07","end":"16:37","startHours":15.11279179422004,"endHours":16.612947603895204,"quality":"neutral"},{"name":"Labha","start":"16:37","end":"18:07","startHours":16.612947603895204,"endHours":18.113103413570368,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"18:07","end":"19:37","startHours":18.113103413570368,"endHours":19.612947603895204,"quality":"inauspicious"},{"name":"Chala","start":"19:37","end":"21:07","startHours":19.612947603895204,"endHours":21.11279179422004,"quality":"neutral"},{"name":"Labha","start":"21:07","end":"22:37","startHours":21.11279179422004,"endHours":22.612635984544877,"quality":"auspicious"},{"name":"Amṛta","start":"22:37","end":"00:07","startHours":22.612635984544877,"endHours":24.112480174869713,"quality":"auspicious"},{"name":"Kāla","start":"00:07","end":"01:37","startHours":24.112480174869713,"endHours":25.61232436519455,"quality":"inauspicious"},{"name":"Śubha","start":"01:37","end":"03:07","startHours":25.61232436519455,"endHours":27.112168555519386,"quality":"auspicious"},{"name":"Roga","start":"03:07","end":"04:37","startHours":27.112168555519386,"endHours":28.612012745844222,"quality":"inauspicious"},{"name":"Udveg","start":"04:37","end":"06:07","startHours":28.612012745844222,"endHours":30.11185693616906,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:07","end":"07:07","startHours":6.111856936169057,"endHours":7.111856936169057,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"07:07","end":"08:07","startHours":7.111856936169057,"endHours":8.111856936169058,"planetary_lord":"Venus"},{"name":"Hora 3","start":"08:07","end":"09:07","startHours":8.111856936169058,"endHours":9.111856936169058,"planetary_lord":"Sun"},{"name":"Hora 4","start":"09:07","end":"10:07","startHours":9.111856936169058,"endHours":10.111856936169058,"planetary_lord":"Mars"},{"name":"Hora 5","start":"10:07","end":"11:07","startHours":10.111856936169058,"endHours":11.111856936169058,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"11:07","end":"12:07","startHours":11.111856936169058,"endHours":12.111856936169058,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"12:07","end":"13:07","startHours":12.111856936169058,"endHours":13.111856936169058,"planetary_lord":"Moon"},{"name":"Hora 8","start":"13:07","end":"14:07","startHours":13.111856936169058,"endHours":14.111856936169058,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"14:07","end":"15:07","startHours":14.111856936169058,"endHours":15.111856936169058,"planetary_lord":"Venus"},{"name":"Hora 10","start":"15:07","end":"16:07","startHours":15.111856936169058,"endHours":16.11185693616906,"planetary_lord":"Sun"},{"name":"Hora 11","start":"16:07","end":"17:07","startHours":16.11185693616906,"endHours":17.11185693616906,"planetary_lord":"Mars"},{"name":"Hora 12","start":"17:07","end":"18:07","startHours":17.11185693616906,"endHours":18.11185693616906,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"18:07","end":"19:07","startHours":18.11185693616906,"endHours":19.11185693616906,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"19:07","end":"20:07","startHours":19.11185693616906,"endHours":20.11185693616906,"planetary_lord":"Moon"},{"name":"Hora 15","start":"20:07","end":"21:07","startHours":20.11185693616906,"endHours":21.11185693616906,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"21:07","end":"22:07","startHours":21.11185693616906,"endHours":22.11185693616906,"planetary_lord":"Venus"},{"name":"Hora 17","start":"22:07","end":"23:07","startHours":22.11185693616906,"endHours":23.11185693616906,"planetary_lord":"Sun"},{"name":"Hora 18","start":"23:07","end":"00:07","startHours":23.11185693616906,"endHours":24.11185693616906,"planetary_lord":"Mars"},{"name":"Hora 19","start":"00:07","end":"01:07","startHours":24.11185693616906,"endHours":25.11185693616906,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"01:07","end":"02:07","startHours":25.11185693616906,"endHours":26.11185693616906,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"02:07","end":"03:07","startHours":26.11185693616906,"endHours":27.11185693616906,"planetary_lord":"Moon"},{"name":"Hora 22","start":"03:07","end":"04:07","startHours":27.11185693616906,"endHours":28.11185693616906,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"04:07","end":"05:07","startHours":28.11185693616906,"endHours":29.11185693616906,"planetary_lord":"Venus"},{"name":"Hora 24","start":"05:07","end":"06:07","startHours":29.11185693616906,"endHours":30.11185693616906,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Tulā","Vṛścika","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Dhanu","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"South-East","rahuVasa":"South-West","anandadiYoga":{"name":"Dhvaja","quality":"Auspicious"},"tropicalRitu":"Śarad (Autumn) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-1.6456755512988825,"eotMinutes":10.180789507817288,"ayanamsa":23.2347}},"calendars":{"vikram_samvat":2012,"vikram_samvatsara":"Kīlaka","saka_samvat":1877,"saka_samvatsara":"Manmatha","bengali_samvat":1362,"malayalam_era":1131,"nanakshahi_year":486,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Bhādrapada","lunar_month_amanta":"Bhādrapada","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Śukla Dvādaśī · Vikram 2012 Kīlaka · Śaka 1877 Manmatha"},"festivals":[{"id":"vamana-jayanti","name":"Vāmana Jayantī","name_sanskrit":"वामन जयन्ती","tradition":"Vaishnava","associated_deity":"Vāmana (5th daśāvatāra of Krishna)","deity_avatara_index":15,"significance":"Vāmana's three-step measure of all worlds; Bali's surrender. (= Onam in Kerala.)","vrata":true,"detection":{"tithi_number":12,"tithi_paksha":"Śukla","lunar_month":"Bhādrapada"},"precedence":2,"sources":["Bhāgavata 8.18-22"]}],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — 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 September 28, 1955 CE · Ṛṣikeśa · Vidhyamitra","description":"September 28, 1955 CE for Ṛṣikeśa: Śukla Dvādaśī, sūryodaya 06:07, sūryāsta 18:07.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1955-09-28","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1955-09-28","sa":"https://sa.vidhyamitra.com/city/rishikesh/1955-09-28","hi":"https://hi.vidhyamitra.com/city/rishikesh/1955-09-28","x-default":"https://vidhyamitra.com/city/rishikesh/1955-09-28"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T19:04:44.334Z","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":"2026-05-31T19:04:44.334Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T19:04:44.334Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}