{"id":"vidhyamitra:city-day:rishikesh:2138-01-28:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2138-01-28","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2138-01-28","date_display":"January 28, 2138 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":2138,"month":1,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2501975.770833,"kali_year":5239,"ahargana":1913510.2708,"sun":{"sidereal_longitude":281.7965,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":124.4139,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":17,"name":"Dvitīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvitīyā","elongation_degrees":202.6174,"elapsed_within_tithi_degrees":10.6174},"nakshatra":{"number":10,"name":"Maghā","pada":2,"moon_longitude":124.4139,"elapsed_within_degrees":4.4139},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":46.2104},"karana":{"half_tithi_index":33,"name":"Gara"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":2138,"month":1,"day":28,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2501975.770833,"ahargana":1913510.2708,"kali_year":5239,"ayanamsa_lahiri":25.7818,"grahas":{"sun":{"sidereal_longitude":282.14528399999995,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"moon":{"sidereal_longitude":122.447384,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false,"latitude":0.6725},"mars":{"sidereal_longitude":142.942884,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":286.477884,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":240.746084,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"venus":{"sidereal_longitude":293.702184,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":271.15068399999996,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":313.0174,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":133.0174,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","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":2138,"month":1,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2501975.770833,"kali_year":5239,"ahargana":1913510.2708,"sun":{"sidereal_longitude":281.7965,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":124.4139,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":17,"name":"Dvitīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvitīyā","elongation_degrees":202.6174,"elapsed_within_tithi_degrees":10.6174},"nakshatra":{"number":10,"name":"Maghā","pada":2,"moon_longitude":124.4139,"elapsed_within_degrees":4.4139},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":46.2104},"karana":{"half_tithi_index":33,"name":"Gara"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.673,"elongation":157.383},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.673,"opposition_distance":22.617}},"eclipse_window_40days":[{"offset_days":13,"type":"solar","occurs":true,"moon_latitude":-1.109,"elongation":2.975}]},"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":"07:10","sunsetLocal":"17:50","solarNoonLocal":"12:30","dayLengthHours":10.665985128762166,"dayLengthDisplay":"10 Hours 39 Mins 58 Secs","nightLengthDisplay":"13 Hours 20 Mins 02 Secs","moonriseLocal":"19:20","moonsetLocal":"08:22","rahuKala":{"name":"Rāhu Kāla","start":"15:10","end":"16:30","startHours":15.164900149438306,"endHours":16.498148290533575,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:50","end":"11:10","startHours":9.831907585057223,"endHours":11.165155726152493,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:30","end":"13:50","startHours":12.498403867247763,"endHours":13.831652008343035,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:39","end":"10:01","startHours":9.65414116624452,"endHours":10.009674003869925,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:37","end":"07:54","startHours":7.6098273498984375,"endHours":7.894253619998762,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:09","end":"12:51","startHours":12.142871029622357,"endHours":12.853936704873169,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:45","end":"06:27","startHours":5.743279952365059,"endHours":6.4543456276158695,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:17","end":"07:10","startHours":6.276579208803167,"endHours":7.165411302866681,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:17","end":"14:59","startHours":14.276068055374793,"endHours":14.987133730625604,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:38","end":"18:02","startHours":17.631396431628847,"endHours":18.031396431628846,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:50","end":"18:17","startHours":17.831396431628846,"endHours":18.275812478660605,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:35","end":"19:20","startHours":17.581396431628846,"endHours":19.331396431628846,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:09","end":"00:51","startHours":24.14287102962236,"endHours":24.853936704873167,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"07:10","end":"08:30","startHours":7.165411302866681,"endHours":8.498659443961952,"quality":"inauspicious"},{"name":"Udveg","start":"08:30","end":"09:50","startHours":8.498659443961952,"endHours":9.831907585057223,"quality":"inauspicious"},{"name":"Chala","start":"09:50","end":"11:10","startHours":9.831907585057223,"endHours":11.165155726152493,"quality":"neutral"},{"name":"Labha","start":"11:10","end":"12:30","startHours":11.165155726152493,"endHours":12.498403867247763,"quality":"auspicious"},{"name":"Amṛta","start":"12:30","end":"13:50","startHours":12.498403867247763,"endHours":13.831652008343035,"quality":"auspicious"},{"name":"Kāla","start":"13:50","end":"15:10","startHours":13.831652008343035,"endHours":15.164900149438306,"quality":"inauspicious"},{"name":"Śubha","start":"15:10","end":"16:30","startHours":15.164900149438306,"endHours":16.498148290533575,"quality":"auspicious"},{"name":"Roga","start":"16:30","end":"17:50","startHours":16.498148290533575,"endHours":17.831396431628846,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"17:50","end":"19:30","startHours":17.831396431628846,"endHours":19.498148290533575,"quality":"inauspicious"},{"name":"Śubha","start":"19:30","end":"21:10","startHours":19.498148290533575,"endHours":21.164900149438303,"quality":"auspicious"},{"name":"Roga","start":"21:10","end":"22:50","startHours":21.164900149438303,"endHours":22.831652008343035,"quality":"inauspicious"},{"name":"Udveg","start":"22:50","end":"00:30","startHours":22.831652008343035,"endHours":24.498403867247763,"quality":"inauspicious"},{"name":"Chala","start":"00:30","end":"02:10","startHours":24.498403867247763,"endHours":26.16515572615249,"quality":"neutral"},{"name":"Labha","start":"02:10","end":"03:50","startHours":26.16515572615249,"endHours":27.831907585057223,"quality":"auspicious"},{"name":"Amṛta","start":"03:50","end":"05:30","startHours":27.831907585057223,"endHours":29.49865944396195,"quality":"auspicious"},{"name":"Kāla","start":"05:30","end":"07:10","startHours":29.49865944396195,"endHours":31.16541130286668,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:10","end":"08:10","startHours":7.165411302866681,"endHours":8.16541130286668,"planetary_lord":"Mars"},{"name":"Hora 2","start":"08:10","end":"09:10","startHours":8.16541130286668,"endHours":9.16541130286668,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"09:10","end":"10:10","startHours":9.16541130286668,"endHours":10.16541130286668,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"10:10","end":"11:10","startHours":10.16541130286668,"endHours":11.16541130286668,"planetary_lord":"Moon"},{"name":"Hora 5","start":"11:10","end":"12:10","startHours":11.16541130286668,"endHours":12.16541130286668,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"12:10","end":"13:10","startHours":12.16541130286668,"endHours":13.16541130286668,"planetary_lord":"Venus"},{"name":"Hora 7","start":"13:10","end":"14:10","startHours":13.16541130286668,"endHours":14.16541130286668,"planetary_lord":"Sun"},{"name":"Hora 8","start":"14:10","end":"15:10","startHours":14.16541130286668,"endHours":15.16541130286668,"planetary_lord":"Mars"},{"name":"Hora 9","start":"15:10","end":"16:10","startHours":15.16541130286668,"endHours":16.16541130286668,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"16:10","end":"17:10","startHours":16.16541130286668,"endHours":17.16541130286668,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"17:10","end":"18:10","startHours":17.16541130286668,"endHours":18.16541130286668,"planetary_lord":"Moon"},{"name":"Hora 12","start":"18:10","end":"19:10","startHours":18.16541130286668,"endHours":19.16541130286668,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"19:10","end":"20:10","startHours":19.16541130286668,"endHours":20.16541130286668,"planetary_lord":"Venus"},{"name":"Hora 14","start":"20:10","end":"21:10","startHours":20.16541130286668,"endHours":21.16541130286668,"planetary_lord":"Sun"},{"name":"Hora 15","start":"21:10","end":"22:10","startHours":21.16541130286668,"endHours":22.16541130286668,"planetary_lord":"Mars"},{"name":"Hora 16","start":"22:10","end":"23:10","startHours":22.16541130286668,"endHours":23.16541130286668,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"23:10","end":"00:10","startHours":23.16541130286668,"endHours":24.16541130286668,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"00:10","end":"01:10","startHours":24.16541130286668,"endHours":25.16541130286668,"planetary_lord":"Moon"},{"name":"Hora 19","start":"01:10","end":"02:10","startHours":25.16541130286668,"endHours":26.16541130286668,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"02:10","end":"03:10","startHours":26.16541130286668,"endHours":27.16541130286668,"planetary_lord":"Venus"},{"name":"Hora 21","start":"03:10","end":"04:10","startHours":27.16541130286668,"endHours":28.16541130286668,"planetary_lord":"Sun"},{"name":"Hora 22","start":"04:10","end":"05:10","startHours":28.16541130286668,"endHours":29.16541130286668,"planetary_lord":"Mars"},{"name":"Hora 23","start":"05:10","end":"06:10","startHours":29.16541130286668,"endHours":30.16541130286668,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"06:10","end":"07:10","startHours":30.16541130286668,"endHours":31.16541130286668,"planetary_lord":"Saturn"}],"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":"North (Uttara)","chandraVasa":"West","rahuVasa":"North","anandadiYoga":{"name":"Kāṇa","quality":"Inauspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-18.284091365484297,"eotMinutes":-12.974632034865841,"ayanamsa":25.7818}},"calendars":{"vikram_samvat":2195,"vikram_samvatsara":"Virodhakṛt","saka_samvat":2060,"saka_samvatsara":"Vilambī","bengali_samvat":1545,"malayalam_era":1314,"nanakshahi_year":669,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Māgha","lunar_month_amanta":"Pauṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Kṛṣṇa Dvitīyā · Vikram 2195 Virodhakṛt · Śaka 2060 Vilambī"},"festivals":[],"todays_walk":{"walk":{"id":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — 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 January 28, 2138 CE · Ṛṣikeśa · Vidhyamitra","description":"January 28, 2138 CE for Ṛṣikeśa: Kṛṣṇa Dvitīyā, sūryodaya 07:10, sūryāsta 17:50.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2138-01-28","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2138-01-28","sa":"https://sa.vidhyamitra.com/city/rishikesh/2138-01-28","hi":"https://hi.vidhyamitra.com/city/rishikesh/2138-01-28","x-default":"https://vidhyamitra.com/city/rishikesh/2138-01-28"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-29T16:35:56.186Z","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":"2026-05-29T16:35:56.186Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-29T16:35:56.186Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}